The illustrations were from the following website:
http://www.catholictradition.org/Priests/traditional-mass.htm
The music is Agnus Dei, from the Mass in B Minor, by J.S. Bach. The music is made freely available from the performers, who recorded one of their rehearsals:
Solomija Drozd (voice)
Petro Titiajev (violin)
Ivan Ostapovych (organ)
https://commons.wikimedia.org/wiki/File:Johann_Sebastian_Bach_-Mass_in_B_minor-_Agnus_Dei.ogg#
Ad Majorem Dei Gloriam
For The Greater Glory of God