First, set up the seven centerpieces: a large musical note centerpiece, two medium circles with "Happy Birthday" and "Duet with Me!" headlines, and four smaller decorations. Next, scatter the pieces of table scatter confetti, all in bright blue, pink, and purple.

• Large centerpiece, 13in tall
• 2 medium centerpieces, 7in tall
• 4 small centerpieces, 4 1/4in tall
• 20 pieces of table scatter, 2in diameter