The Library of Congress Classification System is a system of letters and numbers assigned to a book based upon its topic. This results in books on similar topics being shelved near each other on the shelves. The books in the UTA Libraries are are shelved according to the LC call number.
Most music related materials will be classified in LC Classification M. Below is a very simplified breakdown for the M Class and some of the subject areas represented by specific letters and letter combinations.
ML1-3930 Literature of Music
MT Instruction & Study