I Heard The Bells On Christmas Day by Frank Sinatra is in Bb at 100 beats per minute and runs 1:31 across 19 bars. It uses 15 chords — Bbmaj7, Am7, Gm7, Fmaj7, C7, F, F+, Bb, 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? I Heard The Bells On Christmas Day guitar melody tab.