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Nico sang three songs on The Velvet Underground's 1967 debut album, "The Velvet Underground & Nico." Her contributions included the haunting "Femme Fatale," the ethereal "All Tomorrow's Parties," and the mesmerizing "I'll Be Your Mirror." Nico's distinct vocal style and captivating presence added a captivating element to the album, further cementing its iconic status in rock music history.