Erwin, J. (2012). A Scale in Time: Scales, chorales, studies, basic improvisation, alternative styles ; for the development of technical skills and improved intonation / Joanne Erwin (Conductor Score.). FJH Music Co..
Chicago-Zitierstil (17. Ausg.)Erwin, Joanne. A Scale in Time: Scales, Chorales, Studies, Basic Improvisation, Alternative Styles ; for the Development of Technical Skills and Improved Intonation / Joanne Erwin. Conductor Score. Fort Lauderdale, Fla.: FJH Music Co., 2012.
MLA-Zitierstil (8. Ausg.)Erwin, Joanne. A Scale in Time: Scales, Chorales, Studies, Basic Improvisation, Alternative Styles ; for the Development of Technical Skills and Improved Intonation / Joanne Erwin. Conductor Score. FJH Music Co., 2012.
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