It is the first part from Mozarts Requiem, and is called Introitus
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.
Leopold Mozart was Wolfgang Mozart's father. He taught Wolfgang Mozart how to play the piano and was also a composer and violinist.
His wife's name was Constanze Weber
Mozarts mother's name was Anna Maria
Constanze Weber.
Requiem for What's His Name was created in 1992.
pogo
His full name was Wolfgang Amadeus Mozart.
Anna Maria Pertl.
pogo
no there not his real dads name is Jeremy bieber, his step dads name isn't Jeremy