Listen to In Te Laetitia - In You, Joy online. In Te Laetitia - In You, Joy is an Unknown language song and is sung by Gregorian Chant Songs, Gregorian Chant Music and Gregorian Chant Latin. In Te Laetitia - In You, Joy, from the album Gregorian Chant Music, was released in the year 2025. The duration of the song is 2:00. Download Unknown songs online from JioSaavn.