The biggest single free mp3 site from a single artist has to be Mark Harp at markharp.com Mark and friends let 30 years of pro albums into public domain! It's rocking good stuff. We need more like him.
THE NIMOYS. These brothers will use anything electronic to create original soundscapes and performance art in both New York and Los Angeles. Our selection is "Windshield Flakes."
ANTONIO MAZETELLI pours out an intense electronica beat that bends subwoofers. Plenty of downloads and Berlin bands at the website Outofobscure.com