Listen to Mass uin C major, K. 167 "Missa in honorem Sanctissimae Trinitatis": Et in unam sanctam online. Mass uin C major, K. 167 "Missa in honorem Sanctissimae Trinitatis": Et in unam sanctam is an Unknown language song and is sung by Peter Neumann/Collegium Cartusianum Köln/Kölner Kammerchor/Barbara Schlick/Ulla Groenewold/Markus Schäfer/Klaus Mertens. Mass uin C major, K. 167 "Missa in honorem Sanctissimae Trinitatis": Et in unam sanctam, from the album Mozart: Sämtliche Messen / Complete Masses, was released in the year 2011. The duration of the song is 3:24. Download Unknown songs online from JioSaavn.