diff --git a/cmdHandlers.go b/cmdHandlers.go
index bfe2fa2..3330450 100644
--- a/cmdHandlers.go
+++ b/cmdHandlers.go
@@ -315,7 +315,7 @@ func saveSong(filePath string, force bool) error {
 	wavFile := fileName + ".wav"
 	sourcePath := filepath.Join(filepath.Dir(filePath), wavFile)
 	newFilePath := filepath.Join(SONGS_DIR, wavFile)
-	err = os.Rename(sourcePath, newFilePath)
+	err = utils.MoveFile(sourcePath, newFilePath)
 	if err != nil {
 		return fmt.Errorf("failed to rename temporary file to output file: %v", err)
 	}
diff --git a/db/sqlite.go b/db/sqlite.go
index 0a44d60..03691a6 100644
--- a/db/sqlite.go
+++ b/db/sqlite.go
@@ -35,7 +35,7 @@ func createTables(db *sql.DB) error {
         id INTEGER PRIMARY KEY AUTOINCREMENT,
         title TEXT NOT NULL,
         artist TEXT NOT NULL,
-        ytID TEXT UNIQUE,
+        ytID TEXT,
         key TEXT NOT NULL UNIQUE
     );
     `
diff --git a/socketHandlers.go b/socketHandlers.go
index 75ce0c6..406f2b4 100644
--- a/socketHandlers.go
+++ b/socketHandlers.go
@@ -10,6 +10,7 @@ import (
 	"song-recognition/shazam"
 	"song-recognition/spotify"
 	"song-recognition/utils"
+	"song-recognition/wav"
 	"strings"
 
 	socketio "github.com/googollee/go-socket.io"
@@ -186,7 +187,7 @@ func handleNewRecording(socket socketio.Conn, recordData string) {
 		return
 	}
 
-	samples, err := utils.ProcessRecording(&recData, true)
+	samples, err := wav.ProcessRecording(&recData, true)
 	if err != nil {
 		err := xerrors.New(err)
 		logger.ErrorContext(ctx, "Failed to process recording.", slog.Any("error", err))
diff --git a/utils/helpers.go b/utils/helpers.go
index cd7ceb0..4502ca7 100644
--- a/utils/helpers.go
+++ b/utils/helpers.go
@@ -1,18 +1,10 @@
 package utils
 
 import (
-	"context"
-	"encoding/base64"
 	"encoding/binary"
 	"fmt"
-	"log/slog"
+	"io"
 	"os"
-	"song-recognition/models"
-	"song-recognition/wav"
-	"strings"
-	"time"
-
-	"github.com/mdobak/go-xerrors"
 )
 
 func DeleteFile(filePath string) error {
@@ -32,6 +24,36 @@ func CreateFolder(folderPath string) error {
 	return nil
 }
 
+func MoveFile(sourcePath string, destinationPath string) error {
+	srcFile, err := os.Open(sourcePath)
+	if err != nil {
+		return err
+	}
+
+	destFile, err := os.Create(destinationPath)
+	if err != nil {
+		return err
+	}
+	defer destFile.Close()
+
+	_, err = io.Copy(destFile, srcFile)
+	if err != nil {
+		return err
+	}
+
+	err = srcFile.Close()
+	if err != nil {
+		return err
+	}
+
+	err = os.Remove(sourcePath)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func FloatsToBytes(data []float64, bitsPerSample int) ([]byte, error) {
 	var byteData []byte
 
@@ -72,52 +94,3 @@ func FloatsToBytes(data []float64, bitsPerSample int) ([]byte, error) {
 
 	return byteData, nil
 }
-
-func ProcessRecording(recData *models.RecordData, saveRecording bool) ([]float64, error) {
-	decodedAudioData, err := base64.StdEncoding.DecodeString(recData.Audio)
-	if err != nil {
-		return nil, err
-	}
-
-	now := time.Now()
-	fileName := fmt.Sprintf("%04d_%02d_%02d_%02d_%02d_%02d.wav",
-		now.Second(), now.Minute(), now.Hour(),
-		now.Day(), now.Month(), now.Year(),
-	)
-	filePath := "tmp/" + fileName
-
-	err = wav.WriteWavFile(filePath, decodedAudioData, recData.SampleRate, recData.Channels, recData.SampleSize)
-	if err != nil {
-		return nil, err
-	}
-
-	reformatedWavFile, err := wav.ReformatWAV(filePath, 1)
-	if err != nil {
-		return nil, err
-	}
-
-	wavInfo, _ := wav.ReadWavInfo(reformatedWavFile)
-	samples, _ := wav.WavBytesToSamples(wavInfo.Data)
-
-	if saveRecording {
-		logger := GetLogger()
-		ctx := context.Background()
-
-		err := CreateFolder("recordings")
-		if err != nil {
-			err := xerrors.New(err)
-			logger.ErrorContext(ctx, "Failed create folder.", slog.Any("error", err))
-		}
-
-		newFilePath := strings.Replace(reformatedWavFile, "tmp/", "recordings/", 1)
-		err = os.Rename(reformatedWavFile, newFilePath)
-		if err != nil {
-			logger.ErrorContext(ctx, "Failed to move file.", slog.Any("error", err))
-		}
-	}
-
-	DeleteFile(fileName)
-	DeleteFile(reformatedWavFile)
-
-	return samples, nil
-}
diff --git a/wav/convert.go b/wav/convert.go
index aa5366b..b8ca3ca 100644
--- a/wav/convert.go
+++ b/wav/convert.go
@@ -5,6 +5,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"song-recognition/utils"
 	"strings"
 )
 
@@ -43,7 +44,7 @@ func ConvertToWAV(inputFilePath string, channels int) (wavFilePath string, err e
 	}
 
 	// Rename the temporary file to the output file
-	err = os.Rename(tmpFile, outputFile)
+	err = utils.MoveFile(tmpFile, outputFile)
 	if err != nil {
 		return "", fmt.Errorf("failed to rename temporary file to output file: %v", err)
 	}
diff --git a/wav/wav.go b/wav/wav.go
index 75c811b..240b370 100644
--- a/wav/wav.go
+++ b/wav/wav.go
@@ -209,3 +209,52 @@ func GetMetadata(filePath string) (FFmpegMetadata, error) {
 
 	return metadata, nil
 }
+
+func ProcessRecording(recData *models.RecordData, saveRecording bool) ([]float64, error) {
+	decodedAudioData, err := base64.StdEncoding.DecodeString(recData.Audio)
+	if err != nil {
+		return nil, err
+	}
+
+	now := time.Now()
+	fileName := fmt.Sprintf("%04d_%02d_%02d_%02d_%02d_%02d.wav",
+		now.Second(), now.Minute(), now.Hour(),
+		now.Day(), now.Month(), now.Year(),
+	)
+	filePath := "tmp/" + fileName
+
+	err = WriteWavFile(filePath, decodedAudioData, recData.SampleRate, recData.Channels, recData.SampleSize)
+	if err != nil {
+		return nil, err
+	}
+
+	reformatedWavFile, err := ReformatWAV(filePath, 1)
+	if err != nil {
+		return nil, err
+	}
+
+	wavInfo, _ := ReadWavInfo(reformatedWavFile)
+	samples, _ := WavBytesToSamples(wavInfo.Data)
+
+	if saveRecording {
+		logger := utils.GetLogger()
+		ctx := context.Background()
+
+		err := utils.CreateFolder("recordings")
+		if err != nil {
+			err := xerrors.New(err)
+			logger.ErrorContext(ctx, "Failed create folder.", slog.Any("error", err))
+		}
+
+		newFilePath := strings.Replace(reformatedWavFile, "tmp/", "recordings/", 1)
+		err = os.Rename(reformatedWavFile, newFilePath)
+		if err != nil {
+			logger.ErrorContext(ctx, "Failed to move file.", slog.Any("error", err))
+		}
+	}
+
+	utils.DeleteFile(fileName)
+	utils.DeleteFile(reformatedWavFile)
+
+	return samples, nil
+}