Topic of the content of the resource.
Typically expressed as keywords, key phrases, or classification codes.
For the project, the subjects will be the interviewee(s) names and a topical term, “Jazz musicians- - Interviews.”
The qualifier “Scheme” is used, and details the subject scheme used. In this case, it is LCSH.
Other recommended schemes include MeSH, DDC, LCC, and UDC.