Mattel Barbie Angels Of Music Collection Heartstring Angel Doll Second in the Angels of Musi Collection comes Heartstring Angel Barbie doll, poised as if to play a violin to lift your heart and soul. Truly enchanting in her striking taffeta gown with a velvet bodice, she appears to glow amid a billowy cloud of pink and golden organza. Release Date: 1/1/1999 Product Code: 21414