If You Love Me (Let Me Know) by Olivia Newton-John is in Bb at 120 beats per minute and runs 2:26 across 67 bars. It uses 8 chords — N.C., F, Bb, Gm, C7, F9, F7, C11. 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? If You Love Me (Let Me Know) guitar melody tab.