Life On Mars? by David Bowie is in Bb at 60 beats per minute and runs 3:30 across 44 bars. It uses 27 chords — F, D7, Gm, C7, F7, Dsus4, Ab, Caug, 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? Life On Mars? guitar melody tab.