For most of Sarah Vaughan s career,the duality of jazz and pop was present in her work: occasionally she would make pure jazz records, but most of the time she was successful with pop music which had a distinct jazz tinge. She recorded albums of Gershwin favourites and show tunes, many of which feature here. She covered the latest pop hits and had hits of her own on the singles charts, and although she continued to perform and make albums over the following three decades from 1960, the Mercury years were her finest and most successful.