Everyone hopes that the parts will be available from the library in good time. If not, even more time is wasted in rehearsals sorting out the bowings. We lesser mortals sigh and turn again to the crossword. As strict copyright and performing rights laws prevail, great care has to be taken with the performance of certain pieces. When a composer has a work published, the music then resides in the publishing house.
Access is possible only through hiring that particular work from the appropriate publisher.
An interesting situation then occurs, as each orchestra has individual markings on all parts in every section, crucial to sanity. This is out cue to get out the eraser and with a certain sense of annoyance scrub the parts clean again. We suspect that youth orchestras are the worst culprits, as it would seem that few teachers show their students how to mark music in a way which is useful but unobtrusive. Of course there is total consternation, if in their wisdom the publishers decide to replace the familiar ancient and battered music with virgin, pristine, brand-new copies. He then spent hours putting in his own detailed markings for perpetuity.