Jammer turns songs into musical instruments anyone can play. How to jam: - Circles are loops (tap to start and stop) - Squares are one-shots (tap to play anytime) - Hold down a square to r-r-r-r-repeat! Play any song for free. After the preview time is up, pay to unlock (or wait an hour). NEW MUSIC EVERY DAY! Featuring music from Reggie Watts, Sofi Tukker, Jack & Jack, Lookas, Tokimonsta, Francis and the Lights, Anamanaguchi, Pell, Rozes, SoMo, Arty, Mothica, RKCB, Lostboycrow, and many more!