Video
Sometimes performances that I've been part of are recorded and go online.
Charpentier: Magnificat a 3 with Trinity Wall Street Choir and Baroque Orchestra
Campra: Florete Prata with Trinity Wall Street Choir and Baroque Orchestra
The Play of Daniel (excerpt 1) at The Cloisters, New York
The Play of Daniel (excerpt 2) at The Cloisters, New York