The mod brings back the cut tracks as well as one from the PS2 version.
New tracks:
Tom Novy — Back to The Streets [Head Radio]
Conor and Jay — Carry Me Off [Head Radio]
Marydancin — Wash Him Off [Lips 106]
Gianni Schicchi — O Mio Babbino Caro [Double Clef FM/PS2]
Marydancin — Wash Him Off can only be heard in the 5 second liner.
Tom Novy — Back to The Streets was in the TV trailer, but the song and Novy itself were cut from the game.
Carry Me Off is a track by Conor and Jay, specially created for GTA. In addition, Conor is a producer and author of the soundtrack for the first parts of GTA.