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American rock band renowned for fusing classical, symphonic, and heavy metal elements into elaborate concept albums and theatrical live performances.Founded in 1996 by producer/composer Paul O'Neill alongside collaborators Jon Oliva and Al Pitrelli, TSO achieved multi-platinum success with Christmas-themed rock operas like 'Christmas Eve and Other Stories'. Known for philanthropic efforts and record-breaking tours featuring pyrotechnics, lasers, and orchestra-scale ensembles....