To learn I Built The Sky - Cumulus chords, begin by getting comfortable with these sequence: G, Bb, F, C, F, G, Dm, D, G, Dm and Bb. A strategic approach would be to train at 88 BPM initially, and then accelerate to the song's tempo of 176. To match your vocal range and chord inclination, adjust the capo in line with the key: F Major.