Оригинал: Belwin 21st Century Band Method, Level 1. Jack Bullock. Tuba sheet music. Belwin 21st Century Band Method, Level 1. Tuba. Concert Band.
Превод: Belwin 21st Century Band Метод, Level 1. Jack Бълок. Tuba нотни листове. Belwin 21st Century Band Метод, Level 1. Туба. Концерт Band. Метод.