When You’re In Love by Johnny Mercer is in Bb at 120 beats per minute and runs 2:16 across 32 bars. It uses 14 chords — F, C7, Dm7, G7, Gm7, D7, Gm, Fdim7, 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? When You’re In Love guitar melody tab.