A variety of materials are available, using some of these subject headings:
Jews -- Music; Jews -- Music -- History and criticism; synagogue music; Jewish chants; Klezmer music; folk songs, Hebrew; folk music, Israel; Ashkenazim-Music; sephardim-music.
If you want to find works by a person (composer, writer, performer, etc.) perform an AUTHOR search in the Tiger catalog. This will bring up anything she has created (scores, recordings, writings, etc).
If you want to find stuff about this person, perform a SUBJECT search.
The JMRC is an academic institution fully dedicated to the documentation, research and publication of scholarly materials about Jewish music. Founded in 1964 by Prof. Israel Adler, the JMRC functions as one of the research centers of the Faculty of Humanities at the Hebrew University of Jerusalem
Kanopy video streaming service includes many films related to Jewish music. Link here, and search for "Jewish music".