Premier Piano Course, Jazz, Rags & Blues 1B includes original pieces that reinforce concepts introduced in the Lesson Book 1B. Popular composer Martha Mier has composed all new music in a variety of styles, including ragtime, boogie, and jazz. Each piece has a duet accompaniment that adds harmonic interest and rhythmic stability. The pieces in the book correlate page-by-page with the materials in Lesson Book 1B.