Solo Por Ti by Josh Groban is in Am at 140 beats per minute and runs 3:45 across 84 bars. It uses 24 chords — Am, F, Em, Fmaj7, Em7, Dm7, G, C, 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? Solo Por Ti guitar melody tab.