Try a keyword search. Once you find a book that is relevant to your topic, use the subject headings of that book to help you find "more like this". For example:
Use and to combine terms in your search | hip hop and politics
Use or to expand results | hispanic or mexican
Use * to find variant endings, or as a wild card | wom*n latin*
Use " " to search words as a phrase | "hip hop"
When searching for music, try a keyword search for performer and title. You can also search by song title alone.
Keyword and subject heading searchs for books on music:
Quick Guide to Clapp Library Locations
|Call # / Location|
|Books & Videos A-DZ
Knapp Multimedia Ctr
|Computing Help Desk
Research Help Desk
|Books & Videos E-PM
|Books & Videos PN-Z
Book Arts Lab