To learn Dean Martin - Smile chords, your practice should emphasize these chord progressions: Db, Fm, Bb, C, D, G, Eb, Bb, Eb, Cm, Ab, Bb, C and Eb. Kick off your practice at a gentle 72 BPM, then escalate to the song's tempo of 145 BPM. Set the capo considering your vocal range and favored chords, aligned with the key: C Minor.