To learn Yarn - After chords, anchor your practice on these foundational sequence of chords - Cm, F, Bb, Cm, Db, Gb, Ab, Bb, Dm and Cm. A good strategy is to initiate at 72 BPM and then accelerate to the track's regular speed of 144 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of Bb Major in mind.