Rehearse at home!
If you wish to note-bash at home, this small program can be very helpful. It is called ‘Noteworthy’ and can be downloaded to your computer (Windows only, I’m afraid). Once installed on your computer, you can load in the music files for various popular choral works and listen selectively to your part as the orchestra plays the accompaniment. You can speed up or slow down the playing speed to help you learn the tricky bits.
Online Scores
Those of you who use Noteworthy can download CPE Bach Magnificat,
Learning files for Charpentier’s Te Deum can be found here:
https://www.learnchoralmusic.co.uk/Charpentier/Te-Deum/te-deum.html
and a full performance here:
Marc-Antoine Charpentier – Te Deum in D H.146
Learning files for CPE Bach’s Magnificat are here:
https://www.learnchoralmusic.co.uk/Bach-CPE/Magnificat/magnificat.html
and a full performance here:
C. P. E. Bach: Magnificat Wq 215 (1779) | CPE-Bach-Academy Hamburg | Hansjörg Albrecht
A full score of the Handel Anthem on the Peace cane be found here:
https://issuu.com/scoresondemand/docs/anthem_peace_9616
(Not to be confused with the Dettingham Te Deum!)