Rubank Elementary, Intermediate Method Clarinet,Hal Leonard Best Of The Beatles The product is a set of two books from the Rubank Educational Library, focusing on clarinet instruction for beginner and intermediate levels. The books are authored by J E Skornicka, Robert Miller, and N W Hovey, and cover music theory and exercises specific to the clarinet instrument. The collection includes the "Rubank Elementary Method for Clarinet" and "Rubank Intermediate Method for Clarinet", providing a comprehensive resource for clarinet players looking to improve their skills and knowledge in music. This set is ideal for musicians seeking to enhance their musical abilities and explore the world of music theory through the lens of the clarinet.