der Track
track
An individual song or piece of music on an album, a CD, or in a digital playlist.
Mein Lieblingstrack auf dem neuen Album ist das Lied an dritter Stelle.
My favorite track on the new album is the song in third place.

track
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track
An individual song or piece of music on an album, a CD, or in a digital playlist.
Mein Lieblingstrack auf dem neuen Album ist das Lied an dritter Stelle.
My favorite track on the new album is the song in third place.

'Track' is a word that was borrowed from English (an Anglicism). It is used especially in colloquial language and in certain specialized fields such as music and motorsport.
Dieser Track ist mein absoluter Favorit auf dem neuen Album.
This track is my absolute favorite on the new album.
The context makes clear which meaning is intended. Words like 'Album' (album), 'DJ', or 'Lied' (song) point to a piece of music. Words like 'Rennen' (race), 'Auto' (car), or 'Runde' (lap) indicate a race track.
Der DJ spielt einen coolen Track.
The DJ is playing a cool track.
In a musical context, you often hear 'einen Track produzieren' (to produce a track), 'ein Track auf dem Album' (a track on the album), or 'der nächste Track in der Playlist' (the next track in the playlist).
Die Band hat für ihr neues Album zwölf Tracks aufgenommen.
The band recorded twelve tracks for their new album.
title
'der Titel' and 'der Track' can both occur in music. 'Titel' mainly means the name of a song, album, or other work. 'Track' means an individual song or piece of music, for example on an album or in a playlist. They can be confused because you often see both in music apps. If you are asking for the name, 'Titel' fits. If you mean the piece of music itself, 'Track' fits better.

Kannst du den nächsten Track noch einmal abspielen?
Can you play the next track again?
Der Titel des Liedes steht ganz oben in der Playlist.
The title of the song is at the very top of the playlist.