To browse journals or to find the text of an article, look for links that will send you to the full-text of the article. If you have difficulty finding the full-text, check Vassar Journals A-Z or the Catalog to see if the Library owns the journal and has the year/volume you need.

Vassar Journals A-Z allows you to search by subject.  Search "Music, Dance, Drama & Film" to get the following:

Ethnomusicology (7)

Music History & Criticism, General (10)

Music History & Criticism, Instrumental (20)

Music History & Criticism, National - Folk, Patriotic, Political (9)

Music History & Criticism, Popular - Jazz, Rock, etc. (17)

Music History & Criticism, Vocal (14)

Music Instruction & Study (23)

Music Literature (319)

Music Philosophy (19)

Printed Music, Instrumental (4)

For Black Music also search these titles separately:

African Music

CBMR digest  (Center for Black Music Reseach)

Journal of the Society for American Music

Living Blues

Popular Music 

World of Music

Yearbook for traditional music

Additional titles:  https://vassar.primo.exlibrisgroup.com/discovery/search?query=sub,contains,periodical,AND&query=any,contains,black,AND&query=any,contains,music,AND&tab=Everything&search_scope=MyInst_and_CI&vid=01VAC_INST:VAC&facet=rtype,include,journals&lang=en&mode=advanced&offset=0