sentence: track listing credits personnel gwen stefani - vocals eric stefani - keyboard , vocals tom dumont - guitar tony kanal - bass adrian young - percussion , drums eric carpenter - saxophone don hammerstedt - trumpet alex henderson - trombone production producers : no doubt , dito godwin engineer : michael carnevale mastering : dave collins arrangers : no doubt horn arrangements : don hammerstedt art direction : kimberly holt design : kimberly holt photography : chris cuffaro release history all information is from the allmusic ( page ) .