To start learning Åmrtüm - Acab chords, centre your learning around these elemetal chords sequence: G, Bb, Db, Bb, Db, Eb, Bbm, Eb, Db, N, G, Bb, N and Bb. I suggest starting at a calm pace of 37 BPM, and as you gain confidence, approach the song's BPM of 75. Configure the capo to your vocal range and chord preference, remembering the key of Eb Major.