"Classical" music is generally referred to by people as all music written through the years. I would say that it was the Catholic Church.
Mozart wrote music in the Classical style.
He wrote classical music.
he wrote classical or romantic music
he wrote classical music
He wrote classical music!!
In a broad sense, yes. Any art music can be termed Classical. But Classical refers to the musical period directly after Bach's. He wrote music of the Baroque period.
Berlioz wrote during the Romantic period and his music conforms to the norms of romantic music rather than classical. However, if you mean classical music as opposed to pop, the answer is yes.
Mozart because he wrote the most works.
Frederic Chopin wrote classical music and most of his music was composed for the piano. He was from Poland and considered one of the classical greats.
Mozart wrote Classical era formed compositions.
Daniel Pemberton
Among other things he wrote solo concertos, symphonies, and operas.