Guido van Arezzo: Verskil tussen weergawes

72 grepe verwyder ,  3 jaar gelede
== Eksterne skakels ==
*Reisenweaver, Anna (2012). [http://digitalcommons.cedarville.edu/musicalofferings/vol3/iss1/4 "Guido of Arezzo and His Influence on Music Learning"], ''Musical Offerings'': Vol. 3: No. 1, Article 4.
 
*{{Catholic|first=Joseph|last=Otten|wstitle=Guido of Arezzo|prescript=}}
 
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