Occupational Outlook Handbook: US Bureau of Labor Statistics http://www.bls.gov/ooh/
The OOH can help you find career information on duties, education and training, pay, and outlook for hundreds of occupations.
Great Performances (Click Here)
International Music Score Library Project (Click Here) : For sheet music
MusRef (Click Here) : A site devoted to music and dance bibliography and reference.
Writing Concert Program Notes (Click Here) : A guide to writing concert notes discusses what concert notes are, how they should be formatted (length, style), plagiarism, texts and translations, and recommends musical resources for those writing program notes.
World Music Resources