Complex sentence: Starting in 1999, ensemble recherche began commissioning an ongoing series of short "In Nomine" compositions for the festival, dedicated to Harry Vogt, collectively titled the "Witten In Nomine Broken Consort Book".
Split into simpler sentences: Starting in 1999, ensemble recherche began commissioning an ongoing series of short "In Nomine" compositions for the festival, dedicated to Harry Vogt. It is collectively titled the "Witten In Nomine Broken Consort Book".