Holding On To You by Twenty One Pilots is in B at 92 beats per minute and runs 3:50 across 34 bars. It uses 10 chords — G#m7(add11), F#sus4, Emaj9, Bsus2, N.C., E, G#m, B, 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? Holding On To You guitar melody tab.