There are many performances of Vivaldi’s Gloria RV 589 on YouTube; one with Felicity Lott is here and a useful note here. Scores and more information can be found here.
Files for Haydn’s Paukenmesse (Mass in Time of War, in C major, Hob.XXII:9) are here and a performance with Leonard Bernstein and the Bavarian Radio Orchestra and Chorus here.
Trouble playing ‘midi’ files? You may need to specifically allow your browse to play the files; a window sometimes pops up on the page asking permission or you may have to change your browser’s security settings. Cyberbass have a useful troubleshooting guide here