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Transatlantic is a supergroup featuring Mike Portnoy, the renowned drummer of Dream Theater. Formed in 1999, the band consists of Portnoy, Neal Morse (ex-Spock's Beard), Roine Stolt (The Flower Kings), and Pete Trewavas (Marillion). Transatlantic's music is characterized by its progressive rock style, incorporating elements of metal, folk, and classical influences.