 He is also the author of 25 articles in publications that include the Music Educators Journal, The Instrumentalist, and the Journal of Research in Music Education.In 1991, George L. Rogers did a study that researched the effect of color-coded notation on music achievement of elementary instrumental students.Rogers states that the color-coded notation used in this study was not meant to replace the present notational system; rather, it was intended as a pedagogical aid for beginners.