Amy Winehouse: Hidden Treasures out now. Amy Winehouse: Lioness Hidden Treasures album is now available to buy around the world. The 12 track collection features previously unreleased tracks, alternate versions of existing classics as well as a couple of brand new Amy compositions. Don't forget, a minimum of £1 from every sale in the UK/ Eire goes to the Amy Winehouse Foundation, set up in Amy's memory to support charitable activities that can provide help, support or care for young people.