The Duets for Strings, Book 3 may be started when the pupil has reached page 9 of Book 3 of the String Builder. They may, however, be used in conjunction with Book 3 of any standard string class method. Published in three levels for violin, viola, cello, and bass. A Federation Festivals 2020-2024 selection.Duets for Strings Book 3 CelloComposer: Samuel ApplebaumPublisher: Alfred MusicInstrument: CelloPages: 16Series: Belwin Course for Strings