This document discusses the music and radio stations featured in Grand Theft Auto IV. It notes there are 19 radio stations including 16 music stations and 3 talk stations. The music fits the era the game is set in. There are over 200 tracks in the original game and more added via downloadable content. Different vehicles start with different radio stations playing randomly. The document also discusses the composed music used in loading screens and missions, as well as other incidental music heard in buildings.