First-year high school students Kana, Reimi, and Hibiki are apprentices at the Karasuma Phoniatric Clinic, where the power of healing through song is combined with conventional medicine. One day when the girls' teacher is out, one of the clinic's patients takes a sudden turn for the worse. Is there nothing these apprentices can do to help?
You need the stamina to 
sing for long periods!
اللياقة ضروريةٌ للغناء لفترات طويلة
Ihr benötigt diese Technik,
um lange singen zu können.
Necesitan resistencia
para cantar mucho tiempo.
Necesitáis resistencia
para cantar mucho tiempo.
Vous devrez
pouvoir chanter longtemps.
Vi serve resistenza
per poter cantare per lunghi periodi!
Precisam de resistência para
cantar por longos períodos!
Для длинных песен нужна выносливость.