Denyce Graves (b. 1964) is a mezzo-soprano opera singer who guest-starred on Between the Lions. Denyce Graves and Madison, her pet dog, singing the double o "oo" sound in the word "croon". From Touching the Moon. SegmentsEdit sit met the croon is sun butterfly opera in that box Retrieved from "https://betweenthelions.fandom.com/wiki/Denyce_Graves?oldid=14182" Categories: Guest Stars Sketches Female Characters Females D Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.