The reopening in 1996 was celebrated with a gala event featuring Luciano Pavarotti and other noted artists.
Deleury took up residence in Metropolitan Detroit in 1983, and ascended to principal cellist with the orchestra of the Michigan Opera Theatre.
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He has participated in projects such as the promenade on the Detroit International Riverfront, the Detroit Opera House restoration, and the Cadillac Place redevelopment.
In August 2009, Triumph announced that it would relocate its 11 am Sunday worship service, which was previously held at Cass Technical High School's 1100-seat auditorium, to the 2,700-seat Detroit Opera House beginning in January 2010.