To start learning John Travolta, Olivia Newton-John - (From Grease) The Grease Mega-Mix chords, centre your learning around these elemetal chords sequence: F, G, C, G, F, C and F. A strategic approach would be to train at 54 BPM initially, and then accelerate to the song's tempo of 108. For a balanced pitch, adjust the capo with respect to your voice and the song's key: C Major.