Bản dịch gốc: Etudes for Tenor Trombone. she must stay in shape. Baritone Horn sheet music. Trombone sheet music. Etudes for Tenor Trombone. Book.
Bản dịch: Các nghiên cứu cho Tenor Trombone. They are tricky and they are difficult, but not too tricky, or too difficult. Nâng cao.