Reptar and his fellow actors conduct a musical performance on ice. The babies interrupt the performance at an emotional moment, to the surprise of the actors, which requires Reptar to improvise.
At a prison, Andy locks himself in the warden's room and broadcasts Mozart's "The Marriage of Figaro: Sull'aria" to everyone in the prison through the speakers.
Peabody introduces Sherman to German composer, Ludwig van Beethoven. When they learn that Beethoven has given up on composing music and has moved on to cooking, they try to spark his inspiration by putting him in situations that relate to his symphonies. Beethoven was a crucial figure in the transition between the Classical and Romantic eras in Western art music and remains one of the most famous and influential composers of all time.