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In an e-mail to The Times, defense attorney Benjamin Gluck said the company “will continue its efforts to be a good neighbor and member of the community.”

The Weisenbergs’ defense attorneys, Vicki Podberesky and Benjamin Gluck, argued their clients separated the offending acetylene canisters as soon as they were discovered and kept them away from machinery that could cause an explosion.

Benjamin N. Gluck, Fish’s attorney in Los Angeles, said the charges are unfounded.

Carr’s longtime agent, Suzanne Gluck, was also a friend since they were both in high school at Friends Seminary in Manhattan.

Operas from around Gluck’s time were often little more than vehicles for vocal pyrotechnics.