OPAS CLASSIC SUPPORT - Repertoire In addition to the topics below, the following YouTube playlists may be of help:Repertoire in OPASLibrary Holdings in OPAS Operation Overview / Creation Repertoire / Works overview videoComposers overview video Add a new Composition video | pdf Add a new Composer pdf Merge / Join two Compositions pdf Performance Histories View / Print work performance histories video | pdfUse OPAS Online for work performance histories video Work Performances / Programming Change performance instrumentation video | pdf Performing excerpts of works video | pdf Indicating premieres video Library Holdings Library Overview videoCreate new Library entry video