A variety of music is available in Watch Dogs.
Various stores in Chicago may have music playing in the background to create a pleasant shopping atmosphere inside. Likewise, cafes and restaurants may have music playing inside and outside as well. Music can be interacted with as an improvised Profiler ability. A variety of genres and sub-genres are available in the game.
Music may also be performed live on the streets of Chicago by buskers using instruments such as the saxophone.
Each licensed track can be added to a personal in-game library on Aiden's smartphone, using the Song Sneak app. Once obtained, these tracks can be played from a vehicle's entertainment system when inside. They can also be played while Aiden is walking around the city. He can control the songs from the app on his smartphone, and organize them into playlists for both walking and driving.
- The feature that automatically plays a song when Aiden enters a vehicle can be turned off in the "Audio and Language" section of the "Options" menu.
- The ability to change the volume of songs and music is also included in this area of the settings.