Seems Like Old Times by John Jacob Loeb is in Bb at 100 beats per minute and runs 3:24 across 48 bars. It uses 13 chords — D7, G9, Gm7, C7, F, G7, F6, Bbdim, 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? Seems Like Old Times guitar melody tab.