To jam and learn Cysoul - Léternité chords, your primary focus should be mastering these chords sequence: D#m, B, G#m, E, F#, B, E, F# and E. I suggest starting at a calm pace of 57 BPM, and as you gain confidence, approach the song's BPM of 114. With an eye on the song's key E Major, set the capo that best suits your vocal range.