Updated CheckAndUpdateMostListenedSong() to work with a new Song struct.

internal/radio/mostlistened.go

@@ -47,15 +47,14 @@ var mostListened MostListenedSong
 // So it would be fairer to give these listeners back to a song they was
 // listening to.
 func CheckAndUpdateMostListenedSong(cur, prev *Song) {
-	if prev.Song == "" {
+	if prev.Artist == "" {
 		return
 	}
-	l, _ := strconv.Atoi(cur.Listeners)
-	if l > mostListened.Listeners {
+	if cur.MaxListeners > mostListened.Listeners {
 		mostListened = MostListenedSong{
-			Listeners: l,
+			Listeners: cur.MaxListeners,
 			Date:      time.Now().UTC(),
-			Song:      prev.Song}
+			Song:      prev.ArtistTitle()}
 	}
 	mlsChanged = true
 }