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Seis De Mayo is an orchestral solo project from legendary guitarist and frontman Trey Anastasio, best known for his work with Phish. The project reimagines Trey’s earlier compositions in large-ensemble and classical arrangements, offering a fresh, symphonic perspective on a catalog that spans studio, live, and orchestral work. Released on Elektra Records, this fully produced orchestral exploration showcases Anastasio's enduring creativity and collaborative spirit. As of 2025, Anastasio remains active across Phish tours, the Trey Anastasio Band, and intimate solo performances, making Seis De Mayo a key piece of his expansive musical landscape.