Taratabong: The World of the Meloditties S01 E39 A Strange Lesson

It's a beautiful morning in Taratabong. Trumpee, Snaree, Pino and the Xilos are going to the music school. Upon arrival they found the blackboard, but not Maestro Nomo. They start looking for him. He suddenly appears from behind a bush, he walks funny and his eyes squint: what happened?