Starting out as a rapper in the late '90s, Korean-American DJ Teddy is one of the most sought-after and prolific K-Pop producers. He brings hip-hop and house influences to high-octane dance tracks where frenetic beats, slick verses and massive bass drops converge—like in his smash hit "Daddy" with PSY—invigorating pop cuts with sparkling synth and electrifying R&B with rippling, honeyed vocals.