We have found the perp

While their site does not acknoledge their amazing feat "Hard Drive is the New Bling" featuring lyrics such as "In the nation of Bling/I'm the first lady" and created using the "DJ" mode of the Yamaha PSR-280 (which costs around $150 and I happen to own), they admit making "Get Perpendicular", an equally amazing amazement of educational fun. The site:T_^