This Guy’s In Love With You by Herb Alpert & The Tijuana Brass is in Ab at 90 beats per minute and runs 2:02 across 38 bars. It uses 21 chords — Eb, Abmaj7, Dbmaj7, G7sus4, G9, G7, Cm7, Bbm7, 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? This Guy’s In Love With You guitar melody tab.