Oh! What It Seemed To Be by Frankie Carle is in Bb at 72 beats per minute and runs 1:53 across 27 bars. It uses 18 chords — F9, Eb9, Db9, C9, F, Gm7, Am7, Abdim7, 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? Oh! What It Seemed To Be guitar melody tab.