To learn Thepianokid - (Piano Tutorial) Crystal Castles - Vanished chords, anchor your practice on these foundational sequence of chords - Eb, Bb, Gm, Bb, Gm, Eb and Gm. A strategic approach would be to train at 86 BPM initially, and then accelerate to the song's tempo of 172. Given the song's key of Bb Major, adjust the capo to align with your vocal range and chord preference.