To jam and learn the simple chords for Ben Mazué - Jécris chords, practice playing D, C, G, B, Em, D, C, Em, G, C and B in sequence. I suggest starting at a calm pace of 60 BPM, and as you gain confidence, approach the song's BPM of 120. Set the capo considering your vocal range and favored chords, aligned with the key: E Minor.