To jam and learn Sig - Leijailen chords, your primary focus should be mastering these chords sequence: F#m, E, F#m, A, E, A, F#m and D. Start with a comfortable 67 BPM and as you become proficient, aim for the song's BPM of 134. Tune your capo to accommodate your vocal range, referencing the song's key: A Major.