To jam and learn Cro - No. 105 chords, your primary focus should be mastering these chords sequence: Abm, B, E, Eb, Abm and E. I suggest starting at a calm pace of 87 BPM, and as you gain confidence, approach the song's BPM of 174. Set the capo considering your vocal range and favored chords, aligned with the key: A Minor.