As the crown prince of ratchet music, DJ Mustard's formula is hooked around spiking deceptively simple synth melodies with vicious 808 kicks. Having paid dues on the underground L.A. scene, the producer broke through thanks to club-centric collaborations with the vocalists YG, Tyga and 2 Chainz. Now his ever-present opening tagline—“Mustard on the beat”—has become a worldwide nightlife refrain.