Let's start jamming Hawkwind - (Live at Lewisham Odeon - 18th December 1980) Psi Power chords, familiarize yourself with these chords - D, C, G, C, E and D in sequence. To master the tempo, it's wise to start at 84 BPM before aiming for the song's 169 BPM. Configure the capo to your vocal range and chord preference, remembering the key of Db Major.