To start learning Rigaud Duverné - Supposez chords, centre your learning around these elemetal chords sequence: Em, D, C, G, D, G and C. I suggest starting at a calm pace of 38 BPM, and as you gain confidence, approach the song's BPM of 77. With C Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.