To jam and learn Galt Macdermot - Hair chords, your primary focus should be mastering these chords sequence: Eb, Ab, Cm, Eb, Gm, Bb, Gm, Eb, Cm and Ab. I suggest starting at a calm pace of 68 BPM, and as you gain confidence, approach the song's BPM of 137. With the song's key of Eb Major, set your capo to fit your vocal range and chord choice.