is a landmark single by Nigerian Afropop artist Iyanya , marking his high-profile transition to Mavin Records in late 2016. Produced by legendary beatmaker Don Jazzy , the track features vocal contributions from both Don Jazzy and Dr SID , blending mature Afrobeats rhythms with themes of success and "big boy" lifestyle. Release Details and Significance UP 2 SUMTING - song and lyrics by Iyanya, Dr SID, Don Jazzy