Listen to Gregorian Chant: Hymn to St. John the Baptist "Ut queant laxis" online. Gregorian Chant: Hymn to St. John the Baptist "Ut queant laxis" is an English language song and is sung by Stephen Cleobury and Westminster Cathedral Choir. Gregorian Chant: Hymn to St. John the Baptist "Ut queant laxis", from the album Sacred Chants, was released in the year 2017. The duration of the song is 1:06. Download English songs online from JioSaavn.