ABC’s of Music links
Music Dictionary - very short definitions; no X, Y, Z
Classics for Kids Music Dictionary - no Y or Z
Essentials of Music Glossary - more advanced terms
Music Glossary - a few words for each letter- no U, X, Y, Z
African Music Styles Glossary - not every letter included
Folk Instruments Glossary - every letter!
Odd Music Glossary - instruments and styles (no letter X)