Fortress Around Your Heart by Sting is in Eb at 120 beats per minute and runs 3:20 across 52 bars. It uses 16 chords — Gsus2, C5, Gm9, Dm, Gm7, Eb7, F#m9, B7, 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? Fortress Around Your Heart guitar melody tab.