In The Bedroom Down The Hall by Pasek & Paul is in Bb at 144 beats per minute and runs 5:55 across 113 bars. It uses 28 chords — Dm, C, F, Bb, Csus, F5, Dm7, Bbmaj9, 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? In The Bedroom Down The Hall guitar melody tab.