Contrapunctus I (5 Tu) Manuscripts for Tuba Series was established in 1971 under the sponsorship of the Department of Music at the Tennessee Technological University in Cookeville, Tennessee. Under the editorship of R. Winston Morris it has received international recognition as an iimportant source of tuba literature. The series includes literature of interest to the tuba student, ensemble, teacher, and performer. Performance Possibilities: 1. 3 tenor tubas (euphonium), 2 bass tubas 2. 2 tenor tubas, 1 F tuba, two bass tubas 3. 2 tenor tubas, 3 bass tubas