Tonton Streaming Dragon Tales (1999) S1E23 - Zak and the Beanstalk

The Do-Re-Mi birds (from “Zak’s Song) have been kidnapped, and it is up to Emmy, Max, Zak & Wheezie to come to their rescue. When they learn that a giant named Mungus took the birds because he loves their songs, they teach him how to make his own music.