Under the name Girl Talk, Pittsburgh native Greg Gillis established himself in the mid-2000s as a master of mash-ups, party raps, and sample-based indie dance music, which were released on the Illegal Art label. While working as a biomedical research engineer by day, Gillis' musical career graduated from early experimental fare to ambitious projects like 2006's Night Ripper, whose wild party jams were constructed with over 300 different sampled songs. Also known for his manic, intense live performances, he managed two more full-length releases on Illegal Art before the label w...