Here are a few recordings I have. 

"Gott! Welch dunkel hier." from Beethoven's Fidelio (recorded on my computer)

*E la solita storia del pastore - From Cilea's L'Arlesiana

Gratias - This is the Gratias section from Puccini's "Messe di Gloria"

* These selections are "presented by Musica Reginae Productions"