To jam and learn the simple chords for Cristian - Si Pudiera chords, practice playing F#m, B, Em, A, Dm, G, Em, G, A and Dm in sequence. I suggest starting at a calm pace of 40 BPM, and as you gain confidence, approach the song's BPM of 81. Adjust the capo based on your vocal range and chord preference, keeping the song's key of C Major in mind.