New from Rubank: Concert and Contest Collection Book/CD Pack for Trombone This top-rated collection of solo literature is known by teachers and students everywhere. Each book offers a superb variety of solos customized for that instrument, and most state solo/ensemble contest lists include several solos from this collection. (Piano accompaniment sold separately.) Features include: Œ‡ High quality studio recordings by professionalsoloists Œ‡ Accompaniment only tracks for student practice Œ‡ Tempo adjus tment software (most titles) allowing students to learn at their own pace.