To jam and learn the simple chords for The Beatles - (Mono) Taxman chords, practice playing D, C, D, G, Gm, D, E, Gm, C and G in sequence. Kick off your practice at a gentle 70 BPM, then escalate to the song's tempo of 140 BPM. To match your vocal range and chord inclination, adjust the capo in line with the key: G Major.