Titanium by David Guetta is in Ab at 127 beats per minute and runs 3:49 across 52 bars. It uses 8 chords — Eb, Csus, Ab, Bb, Gm, Cm, C5, N.C.. 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? Titanium guitar melody tab.