What Goes Around... Comes Around by Justin Timberlake is in Am at 150 beats per minute and runs 6:19 across 117 bars. It uses 10 chords — N.C., Am, C, G, D, Cmaj9, D7, Em7, 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 Goes Around... Comes Around guitar melody tab.