To start learning Sum 41 - Pieces chords, build your understanding on these basic chords - C, Bb, F, C, Dm, Bb, C, D and Bb in sequence. Kick off your practice at a gentle 50 BPM, then escalate to the song's tempo of 100 BPM. Set the capo considering your vocal range and favored chords, aligned with the key: Gb Major.