What You Waiting For? by Gwen Stefani is in Cm at 65 beats per minute and runs 3:09 across 85 bars. It uses 11 chords — Gm, Cm, F, Bb, N.C., Bb5, C5, D5, and a few more. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? What You Waiting For? guitar melody tab.