Young At Heart by Michael Bublé is in G at 66 beats per minute and runs 5:11 across 44 bars. It uses 42 chords — G6, Adim7, G, Gdim7, Am7, C, D13, N.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? Young At Heart guitar melody tab.