Watch this piano tutorial video to learn how to change major triads and chords to minor triads and chords and play "Last Christmas," written by George Michael and performed by Wham! and Jimmy Eat World, on piano. This lesson uses the five-finger pattern concept to teach you how to change major triads to minor triads and how to apply this skill to "Last Christmas." The tips in this helpful how-to video will help you change any major chord to a minor chord and play Wham!'s "Last Christmas" on piano.