I Can’t Stop Loving You by Conway Twitty is in Bb at 80 beats per minute and runs 3:27 across 64 bars. It uses 4 chords — F7, Bb, F, C7. 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? I Can’t Stop Loving You guitar melody tab.