Spectrum Chords by Billy Cobham

To start learning Billy Cobham - Spectrum chords, build your understanding on these basic chords - Bb, Ab, Gb, Abm, Db, Ab, Abm and Ab in sequence. A strategic approach would be to train at 78 BPM initially, and then accelerate to the song's tempo of 157. Considering the song's key of Ab Minor, position your capo to suit your vocal and chord preferences.