Where's Mister Saxophone?

S1 E2: Mister Saxophone has gone missing at rehearsal time. They can hear him but they just can't find him! Mister Saxophone loves to play hide and seek. They set off to find him but everywhere they turn up, he's just left. They decide to take the bus home and bump into Stephan who shows them loud and soft sounds on his baritone saxophone. Lah-Lah has a great idea to lure Mister Saxophone back.