Adoration of the Redeemed before the Lamb
(The Book of  Revelation 14. 1-5)
woodcut from the Apocalypse series by Durer (1498)

The revolutionary content of the art of the Reformation was usually expressed in religious form as this approach suited the sensibility and perception of the age.  
Kuno Mittelstadt: Durer, Berlin, 1979.8 p.