diff --git a/.golangci.yml b/.golangci.yml
new file mode 100644
index 0000000..e87e08d
--- /dev/null
+++ b/.golangci.yml
@@ -0,0 +1,44 @@
+version: "2"
+run:
+  tests: false
+linters:
+  default: all
+  disable:
+    - revive
+    - noinlineerr
+    - mnd
+    - tagliatelle
+    - ireturn
+    - godox
+    - exhaustruct
+    - depguard
+  settings:
+    wsl_v5:
+      allow-first-in-block: true
+      allow-whole-block: false
+      branch-max-lines: 2
+    lll:
+      line-length: 120
+    staticcheck:
+      checks:
+        - -SA1029
+    varnamelen:
+      ignore-decls:
+        - tx *sqlx.Tx
+    wrapcheck:
+      ignore-sig-regexps:
+        - \.Write\(
+        - \.WriteString\(
+        - \.WriteJSON\(
+        - \.WriteHTML\(
+        - \.Redirect\(
+        - \.Error\(
+        - \.ErrorV0\(
+issues:
+  max-issues-per-linter: 0
+  max-same-issues: 0
+formatters:
+  enable:
+    - gofmt
+    - gofumpt
+    - goimports
diff --git a/cmd/faketunes/faketunes.go b/cmd/faketunes/faketunes.go
index 40bcc9a..e9f6de6 100644
--- a/cmd/faketunes/faketunes.go
+++ b/cmd/faketunes/faketunes.go
@@ -46,7 +46,9 @@ func main() {
 	// CTRL+C handler.
 	interrupt := make(chan os.Signal, 1)
 	signal.Notify(interrupt)
+
 	shutdownDone := make(chan bool, 1)
+
 	go func() {
 		signalThing := <-interrupt
 		if signalThing == syscall.SIGTERM || signalThing == syscall.SIGINT {
diff --git a/internal/application/application.go b/internal/application/application.go
index 2a950d6..4a4b9cc 100644
--- a/internal/application/application.go
+++ b/internal/application/application.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"runtime"
+	"strconv"
 	"sync"
 
 	"github.com/sirupsen/logrus"
@@ -34,6 +35,7 @@ func (a *App) Logger() *logrus.Entry {
 
 func New(ctx context.Context) *App {
 	var m runtime.MemStats
+
 	runtime.ReadMemStats(&m)
 
 	app := new(App)
@@ -48,7 +50,7 @@ func New(ctx context.Context) *App {
 	app.logger = logger.WithContext(ctx).WithFields(logrus.Fields{
 		"memalloc": fmt.Sprintf("%dMB", m.Alloc/1024/1024),
 		"memsys":   fmt.Sprintf("%dMB", m.Sys/1024/1024),
-		"numgc":    fmt.Sprintf("%d", m.NumGC),
+		"numgc":    strconv.FormatUint(uint64(m.NumGC), 10),
 	})
 
 	app.ctx = ctx
diff --git a/internal/configuration/config.go b/internal/configuration/config.go
index 027a3dc..0d18b9f 100644
--- a/internal/configuration/config.go
+++ b/internal/configuration/config.go
@@ -40,6 +40,7 @@ func New() (*Config, error) {
 	}
 
 	config := new(Config)
+
 	err = yaml.Unmarshal(rawConfig, config)
 	if err != nil {
 		return nil, fmt.Errorf("%w: %w (%w)", ErrConfiguration, ErrCantParseConfigFile, err)
diff --git a/internal/domains/cacher/files.go b/internal/domains/cacher/files.go
index 1390b59..6c27245 100644
--- a/internal/domains/cacher/files.go
+++ b/internal/domains/cacher/files.go
@@ -2,6 +2,7 @@ package cacher
 
 import (
 	"crypto/md5"
+	"encoding/hex"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -31,7 +32,7 @@ func (c *Cacher) getFile(sourcePath string) (*models.CacheItem, error) {
 
 	keyData := fmt.Sprintf("%s:%d", sourcePath, sourceFileInfo.ModTime().UnixNano())
 	hash := md5.Sum([]byte(keyData))
-	cacheKey := fmt.Sprintf("%x", hash)
+	cacheKey := hex.EncodeToString(hash[:])
 	cacheFilePath := filepath.Join(c.cacheDir, cacheKey+".m4a")
 
 	c.itemsMutex.Lock()
@@ -73,6 +74,7 @@ func (c *Cacher) getFile(sourcePath string) (*models.CacheItem, error) {
 	// File does not exist on disk, need to transcode.
 	// Register in the queue
 	c.transcoder.QueueChannel() <- struct{}{}
+
 	defer func() {
 		<-c.transcoder.QueueChannel()
 	}()
@@ -94,7 +96,7 @@ func (c *Cacher) getFile(sourcePath string) (*models.CacheItem, error) {
 
 	c.updateCachedStat(sourcePath, size)
 	// TODO: run cleanup on inotify events.
-	// c.cleanup()
+	c.cleanup()
 
 	return item, nil
 }
diff --git a/internal/domains/cacher/stats.go b/internal/domains/cacher/stats.go
index 285f2b9..870a5ba 100644
--- a/internal/domains/cacher/stats.go
+++ b/internal/domains/cacher/stats.go
@@ -2,6 +2,7 @@ package cacher
 
 import (
 	"crypto/md5"
+	"encoding/hex"
 	"fmt"
 	"os"
 	"path/filepath"
@@ -10,7 +11,7 @@ import (
 	"source.hodakov.me/hdkv/faketunes/internal/domains/cacher/models"
 )
 
-// getStat returns file size without triggering conversion (for ls/stat)
+// getStat returns file size without triggering conversion (for ls/stat).
 func (c *Cacher) GetStat(sourcePath string) (int64, error) {
 	c.statMutex.RLock()
 	defer c.statMutex.RUnlock()
@@ -28,7 +29,7 @@ func (c *Cacher) GetStat(sourcePath string) (int64, error) {
 
 	keyData := fmt.Sprintf("%s:%d", sourcePath, info.ModTime().UnixNano())
 	hash := md5.Sum([]byte(keyData))
-	key := fmt.Sprintf("%x", hash)
+	key := hex.EncodeToString(hash[:])
 	cachePath := filepath.Join(c.cacheDir, key+".m4a")
 
 	// Check if converted file exists and is valid
@@ -44,7 +45,7 @@ func (c *Cacher) GetStat(sourcePath string) (int64, error) {
 	return info.Size(), nil
 }
 
-// updateCachedStat updates the stat cache
+// updateCachedStat updates the stat cache.
 func (c *Cacher) updateCachedStat(sourcePath string, size int64) {
 	c.statMutex.Lock()
 	defer c.statMutex.Unlock()
@@ -55,7 +56,7 @@ func (c *Cacher) updateCachedStat(sourcePath string, size int64) {
 	}
 }
 
-// getCachedStat returns cached file stats
+// getCachedStat returns cached file stats.
 func (c *Cacher) getCachedStat(sourcePath string) (int64, bool) {
 	c.statMutex.RLock()
 	defer c.statMutex.RUnlock()
@@ -63,5 +64,6 @@ func (c *Cacher) getCachedStat(sourcePath string) (int64, bool) {
 	if stat, ok := c.stat[sourcePath]; ok {
 		return stat.Size, true
 	}
+
 	return 0, false
 }
diff --git a/internal/domains/filesystem.go b/internal/domains/filesystem.go
index 66bdd7a..7f19e1c 100644
--- a/internal/domains/filesystem.go
+++ b/internal/domains/filesystem.go
@@ -2,4 +2,4 @@ package domains
 
 const FilesystemName = "filesystem"
 
-type Filesystem interface{}
+type Filesystem any
diff --git a/internal/domains/filesystem/directories.go b/internal/domains/filesystem/directories.go
index 2e3196a..138f85f 100644
--- a/internal/domains/filesystem/directories.go
+++ b/internal/domains/filesystem/directories.go
@@ -35,7 +35,7 @@ func (f *FS) prepareDirectories() error {
 
 	// Create the structure for the virtual filesystem.
 	for _, dir := range []string{f.destinationDir, f.cacheDir, f.metadataDir} {
-		if err := os.MkdirAll(dir, 0755); err != nil {
+		if err := os.MkdirAll(dir, 0o755); err != nil {
 			f.app.Logger().WithField("path", dir).Error("Operation on directory was unsuccessful")
 
 			return fmt.Errorf("%w: %w (%w)", ErrFilesystem, ErrFailedToCreateDestinationDirectory, err)
diff --git a/internal/domains/filesystem/file.go b/internal/domains/filesystem/file.go
index b8aa43b..7888d97 100644
--- a/internal/domains/filesystem/file.go
+++ b/internal/domains/filesystem/file.go
@@ -2,6 +2,7 @@ package filesystem
 
 import (
 	"context"
+	"errors"
 	"io"
 	"os"
 	"sync"
@@ -33,7 +34,7 @@ func (fi *File) Read(ctx context.Context, dest []byte, off int64) (fuse.ReadResu
 	}
 
 	n, err := fi.file.Read(dest)
-	if err != nil && err != io.EOF {
+	if err != nil && !errors.Is(err, io.EOF) {
 		return nil, syscall.EIO
 	}
 
diff --git a/internal/domains/filesystem/music_app_metadata.go b/internal/domains/filesystem/music_app_metadata.go
index 235c728..008945c 100644
--- a/internal/domains/filesystem/music_app_metadata.go
+++ b/internal/domains/filesystem/music_app_metadata.go
@@ -30,7 +30,7 @@ var (
 func (m *MusicAppMetadataFile) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
 	info, err := os.Stat(m.path)
 	if err != nil {
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 		out.Nlink = 1
 		out.Ino = m.StableAttr().Ino
 		out.Size = 0
@@ -57,7 +57,7 @@ func (m *MusicAppMetadataFile) Getattr(ctx context.Context, fh fs.FileHandle, ou
 func (m *MusicAppMetadataFile) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetAttrIn, out *fuse.AttrOut) syscall.Errno {
 	info, err := os.Stat(m.path)
 	if err != nil {
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 		out.Nlink = 1
 		out.Ino = m.StableAttr().Ino
 		out.Size = 0
@@ -90,7 +90,7 @@ func (m *MusicAppMetadataFile) Create(ctx context.Context, name string, flags ui
 		Ino:  m.f.nextInode(),
 	})
 
-	out.Mode = fuse.S_IFREG | 0644
+	out.Mode = fuse.S_IFREG | 0o644
 	out.Nlink = 1
 	out.Ino = ch.StableAttr().Ino
 	out.Size = 0
@@ -104,12 +104,12 @@ func (m *MusicAppMetadataFile) Create(ctx context.Context, name string, flags ui
 
 func (m *MusicAppMetadataFile) Open(ctx context.Context, flags uint32) (fh fs.FileHandle, fuseFlags uint32, errno syscall.Errno) {
 	if _, err := os.Stat(m.path); os.IsNotExist(err) {
-		if err := os.WriteFile(m.path, []byte{}, 0644); err != nil {
+		if err := os.WriteFile(m.path, []byte{}, 0o644); err != nil {
 			return nil, 0, syscall.EIO
 		}
 	}
 
-	file, err := os.OpenFile(m.path, int(flags), 0644)
+	file, err := os.OpenFile(m.path, int(flags), 0o644)
 	if err != nil {
 		return nil, 0, syscall.EIO
 	}
@@ -135,6 +135,7 @@ func (m *MusicAppMetadataFile) Unlink(ctx context.Context, name string) syscall.
 	if err := os.Remove(m.path); err != nil {
 		return syscall.ENOENT
 	}
+
 	return 0
 }
 
diff --git a/internal/domains/filesystem/music_directory.go b/internal/domains/filesystem/music_directory.go
index 5c849b0..3d00a13 100644
--- a/internal/domains/filesystem/music_directory.go
+++ b/internal/domains/filesystem/music_directory.go
@@ -34,7 +34,7 @@ var (
 )
 
 func (d *MusicDir) Getattr(ctx context.Context, f fs.FileHandle, out *fuse.AttrOut) syscall.Errno {
-	out.Mode = fuse.S_IFDIR | 0755
+	out.Mode = fuse.S_IFDIR | 0o755
 	out.Nlink = 2 // Minimum . and ..
 	out.Ino = d.StableAttr().Ino
 	out.Size = 4096
@@ -77,6 +77,7 @@ func (d *MusicDir) Getxattr(ctx context.Context, attr string, dest []byte) (uint
 		if len(dest) > 0 {
 			return 0, 0
 		}
+
 		return 0, 0
 	default:
 		return 0, syscall.ENODATA
@@ -113,7 +114,7 @@ func (d *MusicDir) Create(ctx context.Context, name string, flags uint32, mode u
 			},
 		)
 
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 		out.Nlink = 1
 		out.Ino = ch.StableAttr().Ino
 		out.Size = 0
@@ -144,7 +145,7 @@ func (d *MusicDir) Lookup(ctx context.Context, name string, out *fuse.EntryOut)
 				},
 			)
 
-			out.Mode = fuse.S_IFREG | 0444
+			out.Mode = fuse.S_IFREG | 0o444
 			out.Nlink = 1
 			out.Ino = ch.StableAttr().Ino
 
@@ -165,6 +166,7 @@ func (d *MusicDir) Lookup(ctx context.Context, name string, out *fuse.EntryOut)
 
 	// Check real file or directory
 	fullPath := filepath.Join(d.path, name)
+
 	info, err := os.Stat(fullPath)
 	if err != nil {
 		return nil, syscall.ENOENT
@@ -179,7 +181,7 @@ func (d *MusicDir) Lookup(ctx context.Context, name string, out *fuse.EntryOut)
 			},
 		)
 
-		out.Mode = fuse.S_IFDIR | 0755
+		out.Mode = fuse.S_IFDIR | 0o755
 		out.Nlink = 2
 		out.Ino = ch.StableAttr().Ino
 		out.Size = 4096
@@ -201,9 +203,9 @@ func (d *MusicDir) Lookup(ctx context.Context, name string, out *fuse.EntryOut)
 	)
 
 	if isMeta {
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 	} else {
-		out.Mode = fuse.S_IFREG | 0444
+		out.Mode = fuse.S_IFREG | 0o444
 	}
 
 	out.Nlink = 1
@@ -224,12 +226,12 @@ func (d *MusicDir) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
 
 	dirEntries = append(dirEntries, fuse.DirEntry{
 		Name: ".",
-		Mode: fuse.S_IFDIR | 0755,
+		Mode: fuse.S_IFDIR | 0o755,
 		Ino:  d.StableAttr().Ino,
 	})
 	dirEntries = append(dirEntries, fuse.DirEntry{
 		Name: "..",
-		Mode: fuse.S_IFDIR | 0755,
+		Mode: fuse.S_IFDIR | 0o755,
 		Ino:  1, // Parent (root) inode
 	})
 
@@ -249,19 +251,19 @@ func (d *MusicDir) Readdir(ctx context.Context) (fs.DirStream, syscall.Errno) {
 			continue
 		}
 
-		mode := fuse.S_IFREG | 0444
+		mode := fuse.S_IFREG | 0o444
 		if entry.IsDir() {
-			mode = fuse.S_IFDIR | 0755
+			mode = fuse.S_IFDIR | 0o755
 		}
 
 		// Convert .flac to .m4a in directory listing
 		if strings.HasSuffix(strings.ToLower(name), ".flac") {
 			name = name[:len(name)-5] + ".m4a"
 			if !d.f.isiTunesMetadata(name) {
-				mode = fuse.S_IFREG | 0644
+				mode = fuse.S_IFREG | 0o644
 			}
 		} else if !d.f.isiTunesMetadata(name) {
-			mode = fuse.S_IFREG | 0644
+			mode = fuse.S_IFREG | 0o644
 		}
 
 		dirEntries = append(dirEntries, fuse.DirEntry{
diff --git a/internal/domains/filesystem/music_file.go b/internal/domains/filesystem/music_file.go
index 21d05eb..d9b9337 100644
--- a/internal/domains/filesystem/music_file.go
+++ b/internal/domains/filesystem/music_file.go
@@ -31,7 +31,7 @@ func (f *MusicFile) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.Att
 		metaPath := filepath.Join(f.f.metadataDir, f.virtualName)
 
 		if info, err := os.Stat(metaPath); err == nil {
-			out.Mode = fuse.S_IFREG | 0644
+			out.Mode = fuse.S_IFREG | 0o644
 			out.Nlink = 1
 			out.Ino = f.StableAttr().Ino
 			out.Size = uint64(info.Size())
@@ -40,7 +40,7 @@ func (f *MusicFile) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.Att
 			out.Ctime = out.Mtime
 			out.Blocks = (out.Size + 511) / 512
 		} else {
-			out.Mode = fuse.S_IFREG | 0644
+			out.Mode = fuse.S_IFREG | 0o644
 			out.Nlink = 1
 			out.Ino = f.StableAttr().Ino
 			out.Size = 0
@@ -53,7 +53,7 @@ func (f *MusicFile) Getattr(ctx context.Context, fh fs.FileHandle, out *fuse.Att
 		return 0
 	}
 
-	out.Mode = fuse.S_IFREG | 0444
+	out.Mode = fuse.S_IFREG | 0o444
 	out.Nlink = 1
 	out.Ino = f.StableAttr().Ino
 	out.Blocks = 1
@@ -76,7 +76,7 @@ func (f *MusicFile) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetA
 	if f.isMetaFile {
 		metaPath := filepath.Join(f.f.metadataDir, f.virtualName)
 		if info, err := os.Stat(metaPath); err == nil {
-			out.Mode = fuse.S_IFREG | 0644
+			out.Mode = fuse.S_IFREG | 0o644
 			out.Nlink = 1
 			out.Ino = f.StableAttr().Ino
 			out.Size = uint64(info.Size())
@@ -85,7 +85,7 @@ func (f *MusicFile) Setattr(ctx context.Context, fh fs.FileHandle, in *fuse.SetA
 			out.Ctime = out.Mtime
 			out.Blocks = (out.Size + 511) / 512
 		} else {
-			out.Mode = fuse.S_IFREG | 0644
+			out.Mode = fuse.S_IFREG | 0o644
 			out.Nlink = 1
 			out.Ino = f.StableAttr().Ino
 			out.Size = 0
@@ -105,10 +105,11 @@ func (f *MusicFile) Open(ctx context.Context, flags uint32) (fh fs.FileHandle, f
 	if f.isMetaFile {
 		metaPath := filepath.Join(f.f.metadataDir, f.virtualName)
 
-		file, err := os.OpenFile(metaPath, int(flags), 0644)
+		file, err := os.OpenFile(metaPath, int(flags), 0o644)
 		if err != nil && os.IsNotExist(err) {
 			file, err = os.Create(metaPath)
 		}
+
 		if err != nil {
 			return nil, 0, syscall.EIO
 		}
diff --git a/internal/domains/filesystem/root.go b/internal/domains/filesystem/root.go
index 7195989..6e9fafa 100644
--- a/internal/domains/filesystem/root.go
+++ b/internal/domains/filesystem/root.go
@@ -50,7 +50,7 @@ func (r *RootDirectory) Create(
 			},
 		)
 
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 		out.Nlink = 1
 		out.Ino = ch.StableAttr().Ino
 		out.Size = 0
@@ -77,7 +77,7 @@ func (r *RootDirectory) Lookup(ctx context.Context, name string, out *fuse.Entry
 			},
 		)
 
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 		out.Nlink = 1
 		out.Ino = ch.StableAttr().Ino
 
@@ -114,7 +114,7 @@ func (r *RootDirectory) Lookup(ctx context.Context, name string, out *fuse.Entry
 				},
 			)
 
-			out.Mode = fuse.S_IFREG | 0444
+			out.Mode = fuse.S_IFREG | 0o444
 			out.Nlink = 1
 			out.Ino = ch.StableAttr().Ino
 
@@ -135,6 +135,7 @@ func (r *RootDirectory) Lookup(ctx context.Context, name string, out *fuse.Entry
 
 	// Check real file or directory
 	fullPath := filepath.Join(r.f.sourceDir, name)
+
 	info, err := os.Stat(fullPath)
 	if err != nil {
 		return nil, syscall.ENOENT
@@ -146,7 +147,7 @@ func (r *RootDirectory) Lookup(ctx context.Context, name string, out *fuse.Entry
 			Ino:  r.f.nextInode(),
 		})
 
-		out.Mode = fuse.S_IFDIR | 0755
+		out.Mode = fuse.S_IFDIR | 0o755
 		out.Nlink = 2 // Minimum . and ..
 		out.Ino = ch.StableAttr().Ino
 		out.Size = 4096
@@ -166,9 +167,9 @@ func (r *RootDirectory) Lookup(ctx context.Context, name string, out *fuse.Entry
 	})
 
 	if isMeta {
-		out.Mode = fuse.S_IFREG | 0644
+		out.Mode = fuse.S_IFREG | 0o644
 	} else {
-		out.Mode = fuse.S_IFREG | 0444
+		out.Mode = fuse.S_IFREG | 0o444
 	}
 
 	out.Nlink = 1
@@ -190,12 +191,12 @@ func (r *RootDirectory) Readdir(ctx context.Context) (fs.DirStream, syscall.Errn
 	// Always include . and .. first
 	dirEntries = append(dirEntries, fuse.DirEntry{
 		Name: ".",
-		Mode: fuse.S_IFDIR | 0755,
+		Mode: fuse.S_IFDIR | 0o755,
 		Ino:  1, // Root inode
 	})
 	dirEntries = append(dirEntries, fuse.DirEntry{
 		Name: "..",
-		Mode: fuse.S_IFDIR | 0755,
+		Mode: fuse.S_IFDIR | 0o755,
 		Ino:  1,
 	})
 
@@ -205,6 +206,7 @@ func (r *RootDirectory) Readdir(ctx context.Context) (fs.DirStream, syscall.Errn
 		r.f.app.Logger().WithError(err).WithField("path", r.f.sourceDir).Error(
 			"Error reading directory",
 		)
+
 		return fs.NewListDirStream(dirEntries), 0
 	}
 
@@ -215,9 +217,9 @@ func (r *RootDirectory) Readdir(ctx context.Context) (fs.DirStream, syscall.Errn
 			continue
 		}
 
-		mode := fuse.S_IFREG | 0444
+		mode := fuse.S_IFREG | 0o444
 		if entry.IsDir() {
-			mode = fuse.S_IFDIR | 0755
+			mode = fuse.S_IFDIR | 0o755
 		}
 
 		// Convert .flac to .m4a in directory listing
@@ -225,7 +227,7 @@ func (r *RootDirectory) Readdir(ctx context.Context) (fs.DirStream, syscall.Errn
 			name = name[:len(name)-5] + ".m4a"
 		}
 
-		mode = fuse.S_IFREG | 0644
+		mode = fuse.S_IFREG | 0o644
 
 		dirEntries = append(dirEntries, fuse.DirEntry{
 			Name: name,
@@ -246,7 +248,7 @@ func (r *RootDirectory) Getattr(
 	ctx context.Context, f fs.FileHandle, out *fuse.AttrOut,
 ) syscall.Errno {
 	// Set basic directory attributes
-	out.Mode = fuse.S_IFDIR | 0755
+	out.Mode = fuse.S_IFDIR | 0o755
 
 	// Set nlink to at least 2 (for . and ..)
 	out.Nlink = 2
diff --git a/internal/domains/transcoder/convert.go b/internal/domains/transcoder/convert.go
index 2dc4c06..26837c9 100644
--- a/internal/domains/transcoder/convert.go
+++ b/internal/domains/transcoder/convert.go
@@ -52,11 +52,11 @@ func (t *Transcoder) Convert(sourcePath, destinationPath string) (int64, error)
 
 	analyzeOutput, err := sourceAnalyzeCmd.Output()
 	if err == nil {
-		// Investiage bit depth and sample rate from ffprobe output.
+		// Investigate bit depth and sample rate from ffprobe output.
 		// We need that to make sure we don't oversample files that are lower
 		// than the default sample rate and bit depth.
-		lines := strings.Split(strings.TrimSpace(string(analyzeOutput)), "\n")
-		for _, line := range lines {
+		lines := strings.SplitSeq(strings.TrimSpace(string(analyzeOutput)), "\n")
+		for line := range lines {
 			if strings.Contains(line, "audio") {
 				parts := strings.Split(line, ",")
 				if len(parts) >= 6 {
@@ -137,7 +137,7 @@ func (t *Transcoder) Convert(sourcePath, destinationPath string) (int64, error)
 			"-af", "aresample=48000:resampler=soxr:precision=28",
 		)
 	} else {
-		ffmpegArgs = append(ffmpegArgs, "-ar", fmt.Sprintf("%d", sampleRate))
+		ffmpegArgs = append(ffmpegArgs, "-ar", strconv.Itoa(sampleRate))
 	}
 
 	if needsBitReduce {
@@ -151,7 +151,7 @@ func (t *Transcoder) Convert(sourcePath, destinationPath string) (int64, error)
 	// Handle metadata copying and sort_artist filling
 	ffmpegArgs = append(ffmpegArgs,
 		"-map_metadata", "0",
-		"-metadata", fmt.Sprintf("sort_artist=%s", t.escapeMetadata(sortArtist)),
+		"-metadata", "sort_artist="+t.escapeMetadata(sortArtist),
 		"-write_id3v2", "1",
 		"-id3v2_version", "3",
 		destinationPath,
@@ -165,7 +165,9 @@ func (t *Transcoder) Convert(sourcePath, destinationPath string) (int64, error)
 	).Debug("FFMpeg parameters")
 
 	ffmpeg := exec.Command("ffmpeg", ffmpegArgs...)
+
 	var stderr bytes.Buffer
+
 	ffmpeg.Stderr = &stderr
 
 	if err := ffmpeg.Run(); err != nil {