“Moribundos Live” by mapjacks (2013)

Mapjacks is a collective of visual artists in LA. They do guerrilla installations on the exterior buildings:

YouTube / Mapjacks – via Iframely

The collective also performed at shows and clubs, including collaborative improvisations where multiple artists add layers to the projections. In this example, one artist is finding and manipulating images from the internet that match the music, another is running a program generating the geometric images and another is drawing:

Vimeo / Akiko Yamashita – via Iframely