Knaggs - Adoramus Te Christe - Ensemble Invocatio
Ensemble Invocatio - Popule meus (Victoria, ed. Knaggs)
Knaggs - Ave Maria no. 18 - Королева Mиру - Ensemble Invocatio
Intro - Ensemble Invocatio
Knaggs - O nata lux after Tallis - Ensemble Invocatio
After Motets highlights - Ensemble Invocatio
Knaggs - Lumen ad revelationem after Franco - Ensemble Invocatio
"Invocatio Musarum" - Anon. (XVI s.)
Invocatio Musicalis: Gregorian adaptation
Invocatio
BLACK BRIGADE - Inferna Invocatio [Full EP Album](Death Metal/Grindcore)
Kurtág’s 6 Moments musicaux Nr.1: Invocatio (Un fragment)
Invocatio Musicalis: I wish I were alone in the mountains
Ihsahn - Invocatio
Sing with more than just voices
Invocatio - Tree Ov Life, Roots Ov Death
Jaz beams in from St Petersburg during the Magna Invocatio recording