To start learning Era - (Album Version) Omen Sore chords, build your understanding on these basic chords - D, E, D, A, E, A, E, F#m and E in sequence. Ease into the song by practicing at 53 BPM before reaching the track's full tempo of 107 BPM. Fine-tune the capo based on your vocal range, ensuring it complements the key of A Major.