Probably not. Old orchestral pieces like that usually keep horn parts written in their original keys, and it's up to the player to transpose as needed.
It is the first part from Mozarts Requiem, and is called Introitus
German
German. (German title is Die Zauberflöte)
Opera ~ Don Giovanni Mass ~ Requiem in D Minor K. 626. Concert aria ~ Conservati fedele Song ~ Dans un bois solitaire
Probably not. Old orchestral pieces like that usually keep horn parts written in their original keys, and it's up to the player to transpose as needed.
It is the first part from Mozarts Requiem, and is called Introitus
German
Most likely (though most don't know it) is Twinkle Twinkle Little Star. Written by Wolfgang when he was 5. I also think Jupiter, his 41st, is rather famous also.
Johannes Dalchow has written: 'W. A. Mozarts Krankheiten' 'W.A. Mozart' 'Mozarts Tod: 1791-1971'
Latin
German. (German title is Die Zauberflöte)
I. F. Arnold has written: 'Mozarts Geist'
Richard Rosenberg has written: 'Die Klaviersonaten Mozarts'
Opera ~ Don Giovanni Mass ~ Requiem in D Minor K. 626. Concert aria ~ Conservati fedele Song ~ Dans un bois solitaire
Lucy Diggs has written: 'Requiem'
Lawrence O'Sullivan has written: 'An hour after requiem'