Consortium of National Arts Education Associations.1994. National standards for arts education. Reston, VA: MENC.
2.
de Frece, R.2001. Teaching with purpose: Building musical understanding and skill through the Orff approach. Presentation at the North Texas American Orff-Schulwerk Association, TMEA Region #5, TMEA Region #20, and Kodály Educators of Texas, Arlington, TX .
3.
Gordon, E.E.2002. Rating scales and their uses for measuring and evaluating achievement in music performance. Chicago: GIA.
4.
Lange, D.M.1999. Practical ways to assess elementary music students . General Music Today13(1): 15—18.
5.
McDonald, D.T., and G.M. Simons.1989. Musical growth and development. New York: Schirmer Books.
6.
Music Educators National Conference.1994. Opportunity-to-learn standards for music instruction: Grades PreK-12 . Reston, VA: MENC.