O Lamm Gottes, unschuldig BWV 1085

Whose song is O Lamm Gottes, unschuldig BWV 1085?

Artist Album
Andrea Marcon
Ohrdruf, Luneburg & Arnstadt - disc 1
Bach
organ works
Gerhard Weinberger (Trost-Orgel Schlosskirche Altenburg)
Bach Orgelwerke 07
J.S. Bach - Organ Works Vol. 07