To start learning Dean Martin - Cest Si Bon chords, delve into these chords sequence to get the song's feel: D, G, Am, D, Bm, Em, Am, G and C. A strategic approach would be to train at 60 BPM initially, and then accelerate to the song's tempo of 120. Adjust the capo based on your vocal range and chord preference, keeping the song's key of G Major in mind.