Guglielmo Andreoli is the name of two brothers:
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Guglielmo Andreoli the Elder
Guglielmo Andreoli (22 April 1835 – 13 March 1860) was an Italian pianist.
He was born in Mirandola, Modena to the musical family of Evangelista Andreoli; his brothers included Carlo Andreoli, Carlo and Guglielmo Andreoli the Younger, another G ...
(1835–1860), Italian pianist
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Guglielmo Andreoli the Younger
Guglielmo Andreoli (9 January 1862 - 26 April 1932) was an Italian pianist, music teacher and composer.
He was born in Mirandola, Modena, to the musical family of Evangelista Andreoli (1810-1875). He shared his name with his older brother Gugli ...
(1862–1932), Italian pianist, teacher, and composer
{{hndis, Andreoli, Guglielmo