<https://www.accordionists.info/threads/john-castiglione.6514/>
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"I know that some of you have bought accordions from John Castiglione. Today I enquired about the Gary Dahl Quint Jazz Continental accordion made by Beltuna and received this reply from Angela:  \"I am sorry to tell you John Castiglione passed away..."
<https://www.accordionists.info/threads/john-castiglione.6514/>