These two databases index music journals. They will probably not have the full text of the article. Interlibrary Loan can help you get any article you need for your research.
These databases contain articles on education and psychology. They are relevant to anyone searching for music education articles or articles on the psychology of music.
Newspaper archives are excellent sources for music reviews. Type in your keywords and select review for the document/article type.
These databases have content from multiple disciplines. You will find articles on music topics in them.
Below is the link to the electronic journal finder and some prefigured catalog searches for music journals by research interest.