We may receive a commission on purchases made from links. If you're a musician looking to add drum beats or loops via a pedal, a Finnish company called Kovaluu has unveiled a cheap solution. Its app ...

I’m not saying I’m going to be the next Deadmau5, but the Library of Congress’ new “Citizen DJ” web app is pretty awesome to play around with—even if you don’t think you’ll use any of the sick beats ...