Lisa Simpson gets "discovered" by Billie Eilish and her sibling, Finneas, while searching for a quiet place to practice her saxophone. Billie invites Lisa to her studio for a special jam session she'll never forget. 

Homer surprises Marge with the ultimate gift by getting her an unforgettable performance from Italian opera superstar Andrea Bocelli, his 25-year-old son Matteo, and his 10-year-old daughter Virginia.