To learn Dio - (2019 - Remaster) Eriel chords, these are the chords to practise in sequence: Db, Bb, C, Bbm, Bb, Eb, Bbm, Ab and Bb. A strategic approach would be to train at 41 BPM initially, and then accelerate to the song's tempo of 83. Set the capo considering your vocal range and favored chords, aligned with the key: Bb Minor.