High Quality Content by WIKIPEDIA articles! Lioness: Hidden Treasures is a posthumous compilation album by English recording artist Amy Winehouse, released on 2 December 2011 by Island Records. The album features unreleased songs and demos picked by Mark Ronson, Salaam Remi and Winehouse`s family, including the first single, "Body and Soul", with Tony Bennett. The album was released in aid of the Amy Winehouse Foundation. "Our Day Will Come" was released as the album`s second and final single on 4 December, and was Winehouse`s first solo single to be released since 2007.