To jam and learn John Travolta, Olivia Newton-John - (From Grease) The Grease Mega-Mix chords, your primary focus should be mastering these chords sequence: G, D, G, E, A, D, G and A. To build a solid grasp, start slowly at 79 BPM and then match the original tempo of 159 BPM. For a balanced pitch, adjust the capo with respect to your voice and the song's key: D# Major.