The following three databases are the best starting point for research related to
Comprehensive Musicianship Approach
E. Gordon's Theory of Music Learning
Education Research CompleteIncludes all levels of education and specialties, such as multilingual education, health education, and testing. Provides indexing and abstracts for more than 1840 journals, as well as full text for more than 950 journals, many books, and conference papers.
ERIC (EBSCOhost)Provides citations to millions of journal articles, books, and reports in the education field, including a growing collection of links to full-text. Includes citations to educational and general psychology literature.