Feed the Animals is available for download on a pay-as-you-please basis at Illegal Art, with an actual CD available on Oct. 21.

NPR: Girl Talk Chops Pop Music To Pieces

Outside of the pieces specifically authorised by local councils and property owners, street art is illegal.

BBC: The artful dodgers of Melbourne��s graffiti revolution

In recent years, digital remixing and sampling once viewed as derivative at best and illegal at worst has grown widespread in music, film, television and fine art.

WSJ: Seth Grahame-Smith: The Master of the Mash-Up