The Smurfs
The Hundredth Smurf / Smurphony In "C"
S1 E112:
Bad luck invades the Smurf Village, and 100 Smurfs are needed to dance a magical dance to restore good fortune. / Harmony is forbidden to play in the Smurf Symphony, which Gargamel uses to convince the musical Smurf to play a magic instrument that lulls the others to sleep.