The Show Must Go On by Queen is in Bm at 84 beats per minute and runs 3:56 across 66 bars. It uses 30 chords — Bm, Bsus2, Bsus4, G, G(b5), Em, Em7, Em6, 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? The Show Must Go On guitar melody tab.