See the Music Research Guide for general tips on music searching.
Musical instrument instruction books and method series are found under the name of the instrument, with -- Instruction and Study added.
Terminology for world music description varies. You may need to use multiple terms for thorough research.
Subject terms for ethnic, national, and cultural traditions use the country name, geographic region, and ethnic tradition. Example: for Cuban music
Also try these keywords: Cuban, Latin American, Caribbean, Timba, Havana (Cuba), Latino, Hispanic, Spanish