Better In Time by Leona Lewis is in Bb at 82 beats per minute and runs 3:57 across 43 bars. It uses 6 chords — F, Am, Dm, Bb, Gm7, C. 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? Better In Time guitar melody tab.