To learn Sum 41 - Noots chords, grasp the musical fabric of the song with this sequence - Ab, Eb, F, Db, Ab, Fm, Ab, Eb and Db of chords. Begin your practice at a relaxed 45 BPM, then work your way up to the song's BPM of 90. To match your vocal range and chord inclination, adjust the capo in line with the key: Ab Major.