Orchestra Folio for Trombone/Pbone Mini + Online Mp3 Accompaniment Tracks : A Collection of Elementary Orchestra Arrangements, Paperback by Newman, Larry E., ISBN 1548508330, ISBN-13 9781548508333, Brand New, Free shipping in the US

Orchestra Folio is a collection of elementary orchestra arrangements with free online mp3 accompaniment tracks. The collection is written for strings and winds (orchestra) but some arrangements can also be use with smaller groups (strings only or winds only).