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In page St. Louis:

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The same year as the 1904 World's Fair, the Strassberger Music Conservatory Building was constructed at 2300 Grand. Otto Wilhelmi was the architect. In 1911, the conservatory had over 1,100 students.[2] The building is presently in the National Register of Historic Places.[3] A well known graduate was Alfonso D'Artega.[citation needed]