This page offers relevant databases and search suggestions for locating journal articles on sacred music topics.
Search for periodicals available full text.
Search Google Scholar to find citations to scholarly articles. While some articles are freely available via the web, many are not. If you find a useful article citation using Google Scholar, check the Berntsen Library's Journal Title Search to see if you can access the journal via the library. Otherwise, you may request the article in Library Search using Inter Library Loan.