Call Me Maybe by Carly Rae Jepsen is in G at 115 beats per minute and runs 2:43 across 43 bars. It uses 7 chords — G5, Csus2, Dsus, C, G, D, Em. 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? Call Me Maybe guitar melody tab.