Johann Georg Albrechtsberger (1736-1809) was born in Klosterneuburg, just outside of Vienna. Early musical training as a choirboy in his hometown, as well as composition studies under G.M. Monn and musical training as a choirboy at Melk Abbey, led to his eventual appointment in 1793 as Kapellmeister at St. Stephen's Cathedral in Vienna. Albrechtsberger composed well over 200 church compositions, keyboard works and pieces for instrumental ensembles. As a teacher of theory and composition, Albrechtsberger was able to claim as a student the young Beethoven. The text of the Te Invocamus, which liturgically is found as the antiphon for the second Nocturne of Matins for the Feast of the Holy Trinity, is translated as follows: We call upon you, we praise you, we beseech you, our hope, our honor, deliver us, revitalize us, o blessed Trinity.