sentence: track listing credits personnel gwen stefani - vocals tom dumont - guitar tony kanal - bass adrian young - percussion , drums eric stefani - keyboard phil jordan - trumpet eric carpenter - saxophone additional personnel bradley nowell - vocals gabrial mcnair - percussion , trombone gerard boisse - baritone , tenor , soprano saxophones production producer : no doubt engineers : ray blair , tom dumont , colin '' dog '' mitchell mixing : tom dumont , nicholas hexum , colin '' dog '' mitchell , no doubt , scott ralston , adrian young mixing assistants : nick hexum , scott ralston , adrian young mastering : robert vosgien advisor : albhy galuten design : gwen stefani layout design : matt wignall liner notes : no doubt release history all information is from the allmusic ( page ) and no doubt 's official .