An diofar eadar na mùthaidhean a rinneadh air "Guido da Arezzo"

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b robot Modifying: bs:Guido d'Arezzo
Loidhne 34:
[[sco:Guido o Arezzo]]
[[sv:Guido av Arezzo]]
[[uk:Гвідо д'Ареццо]]
[[zh-yue:桂多達賴左]]