Dear Mr. Man by Prince is in Am at 50 beats per minute and runs 6:00 across 52 bars. It uses 8 chords — Dm9, E, Am9, Fmaj7, C#7, E7#5, G, Bm7. 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? Dear Mr. Man guitar melody tab.