Let's start jamming John Travolta - (From Grease) Sandy chords, Practice these chords sequence - Gm, Cm, F, Bb, Dm, Eb and Gm. Ease into the song by practicing at 54 BPM before reaching the track's full tempo of 109 BPM. For a balanced pitch, adjust the capo with respect to your voice and the song's key: F Major.