In addition to her operatic recordings, she has also sung the title role in the first complete recording of the score of Gershwin's "Oh, Kay!". She has also recorded albums of songs by Vernon Duke and Rodgers and Hart. Upshaw was a guest of President of the United States Bill Clinton and Mrs. Clinton on the NBC special "Christmas in Washington". The BBC presented a prime-time telecast of her 1996 London Proms Concert "Dawn at Dusk", in which she performed songs from American musical theater. Her engagements with James Levine over many years led to a 1997 recording of Claude Debussy songs.