Act Like You Know / Zoom is a split A/B side single by American funk/R&B band Fat Larry's Band, released in 1982. "Act Like You Know" appeared in the Grand Theft Auto: Vice City soundtrack, while "Zoom" peaked at #2 on the UK Singles Chart. The band's relentless funk grooves and syncopated horn lines have earned them comparisons to bands such as Earth Wind And Fire, Chic, Fatback Band, and Crown Heights Affair.