Listen to The Harvard Variations online. The Harvard Variations is an English language song and is sung by Christian Borle, 'Legally Blonde' Ensemble, Manuel Herrera, Natalie Joy Johnson and Noah Weisberg. The Harvard Variations, from the album Legally Blonde The Musical (Original Broadway Cast Recording), was released in the year 2007. The duration of the song is 2:37. Download English songs online from JioSaavn.