To start learning The Sidh - Iridium chords, delve into these chords sequence to get the song's feel: Eb, Bbm, Bb, Eb, Gb, Bbm and Eb. A good strategy is to initiate at 63 BPM and then accelerate to the track's regular speed of 128 BPM. With Bb Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.