Very tricky to articulate this, but say a beat in a song, or note, is a species then a riff could be another species a song would obviously be a species the song in a music video another species and then a song with lyrics another species, all contained in their natural world, a hard drive. The A.I Search engine A.I would change if their was a new species etc. Evidence:
Evolution has already been digitally simulated. Here's one that runs on your browser: http://www.well.com/~hernan/biomorphs/
