Resource Ross Harris: Trombone Opera - downloadable PDF SCORE Pdf typeset Full score × Borrow/Hire: To borrow items or hire parts please email SOUNZ directly at info@sounz.org.nz. About Featuring 1 About Work Trombone Opera Collation 37pp: 0, 37p. Copyright Ross Harris Featuring Trombone Opera for trombone and mixed chamber ensemble by Ross Harris in 2008