Diana Krall's latest album, a collection of jazz takes on rock and pop classics, is called Wallflower. Bryan Adams/Courtesy of the artist hide caption

itoggle caption Bryan Adams/Courtesy of the artist

Diana Krall. Jane Shirek/Courtesy of the artist hide caption

itoggle caption Jane Shirek/Courtesy of the artist

Diana Krall's latest album is titled Glad Rag Doll. Mark Seliger/Courtesy of the artist hide caption

itoggle caption Mark Seliger/Courtesy of the artist