Chords for Gregorian Chant Kyrie Eleison

To jam and learn Choeur De Moines Bénedictins De Labbaye Santo Domingo De Silos - (Messe 1 Lux et Origo) Kyrie Viii, Mode V chords, your primary focus should be mastering these chords sequence: Cm, Eb, Fm, Eb and Ab. For best results, commence at 67 BPM and progress to the song's BPM of 135. Given the song's key of Bb Major, adjust the capo to align with your vocal range and chord preference.