Check out these background music images:
Background music…live
Image by elzorroviejo
Background effect
Image by RafeB
The Music Player application has a background effect setting. The background changes in response to the music being played.
Background music for tourists
Image by r_bowley
Nikon D90 handheld at ISO 1600 with a 1/30 exposure at f1.8
Processed in Lightroom and Silver Efex Pro 2