Messe I.X-VI.X is the tenth studio album by the Norwegian experimental collective Ulver and the Tromsø Chamber Orchestra with additional aid from composer Martin Romberg. Written and produced by Ulver, released on October 8, 2013, via Jester Records and Kscope. The album has been described as a “peace mass for Lebanon”.On September 17, 2013, a trailer was released, and on October 4, 2013 the track "Shri Schneider", was released for streaming via Pitchfork Media.