When Aninku and Pepicek discover that their mother is sick, they rush to town for milk to make her better, but their attempt to earn money by singing is thwarted by a bullying hurdy-gurdy grinder, Brundibar, who chases away all other street musicians. Teacher's Guide available. When Aninku and Pepicek discover that their mother is sick, they rush to town for milk to make her feel better, but their attempt to earn money by singing is thwarted by a bully, Brundibar.