What was supposed to be a fun visit to the karaoke studio suddenly turns into an emergency when the four friends are abducted by a shadowy organization.
Class 2-B
Air Band
Luft-Band
Banda invisible de la clase 2-B
Banda invisible de la clase 2-B
Classe 2-B
Banda aérea
Духовой 
оркестр
 8 «Б»