Opéra-ci opéra-là

Matilda and Ping work together so Matilda understands that there are different kinds of dances. Ping solves the problem by describing the movement while singing, as is done for a real square dance.

While getting ready for a picnic, Ping and Pong enjoy reggae without realizing that a friend feels helpless.

When Mr. Picou plays the triangle day and night, Ping and Pong teach him that playing solo is a good way to shine.

Ping and Pong try to find the lost sheep, by yodeling in order to bring them back.

Ping is about to offer a music box to her grandmother but breaks into a thousand pieces before delivery. Pong realizes he has a great idea to fix Ping's music box.

Ping and Pong fail to wake up Matilda so that she can cook her famous empanadas for a party. They decide to interpret a salsa to wake her up.

When Ping hears the music from Pong's new keytar, she hates the sound and she thinks she broke it.

Pong is afraid of the storm. Ping will use the sounds of thunder and wind in a musical piece to reassure him.

Pong and Trix help Matilda for her next audition. But Ping is not with them and when she comes back she feels abandoned by her friends. Fortunately, they will reassure her.

Mr. Picou gives a yoga class at the same time that Ping and Pong have planned a punk rock concert. They will have to learn to deal with different volumes.

The bossa-nova is the ideal musical choice for a day at the beach. But Ping and Pong do not succeed at their first interpretation. They will have to learn to collaborate.

When they realize that it is almost the Chinese New Year, Ping and Pong want to participate by inviting a very special musician friend.

Ping and Pong discover a new instrument that is called the didgeridoo. It is considered one of the oldest instruments in the world and comes from Australia. They also discover how to make them.

Pong understands that adding too many instruments to a musical composition is as bad as Ping's adding too many ingredients while creating a pizza.

When Ping and Pong see Monsieur Picou take his things out of his house, they think he's moving, because they have unwittingly cut a rose from his garden. So they decide to write and sing a song, and have Matilda dance flamenco, so he decides to stay.