Product Group: theory. Contributor: Bennett, Ned. A practical and imaginative guide to jazz for instrumentalists and pianists of any age, from beginners to approximately grade 4 level. Through listening and improvising, it explores swing, the blues scale, jazz harmony and structure and is ideal for players keen to cross over from classical to jazz. The book is designed to be used alongside instrumental/piano lessons, in preparation for Trinity Guildhall/ABRSM exams or in the Key Stage 2/3 classroom. The enhanced CD features audio tracks to play along with and piano accompaniments to download.