This compact reference guide offers clear definitions and phonetic pronunciations for thousands of musical terms from many languages, making it an indispensable companion for performers, students, teachers, and listeners. Covering terminology from theory, composition, performance practice, and music history, it helps demystify the specialized vocabulary found in scores, program notes, and scholarly writing. Compiled by Nicolas Slonimsky—renowned musicologist, lexicographer, and author of *Baker’s Biographical Dictionary of Musicians*—the book reflects his deep knowledge and wit, presenting reliable information in an accessible format. A practical, portable resource for anyone seeking confidence and precision in the language of music.