Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Music Fans Stack Exchange is a question and answer site for music historians, critics, and fans. It only takes a minute to sign up.
Can't identify what this is. Please help.
By Googling BA 5340a, I've found Mozart's DIXIT ET MAGNIFICAT KV 193 (BA 5340A).
This youtube link confirms the piece is in latin language, religious choir in C major key.
The sheet starts around 8:50, when you can hear the transition between 3 times / 4 times signature, and the lyrics match too.
Required, but never shown