"He didn't really do anything ground-breaking".
Sure Mozart didn't do anything ground-breaking.
He certainly didn't do to the concerto what Beethoven did to the sonata... or to the string quintet what Haydn did for the symphony.
He didn't have the soloist enter in the first few bars, for the first time ever; a tradition to be followed, and taken to heart by the Romantics.
He also didn't write the first operas ever to be continuously performed from their first performance up to the modern day, operas which are considered to be among the very finest of all written opera, and which were far ahead of their time.
He didn't invent the piano quartet, and then have them rejected for publication because they were too difficult, musically, and otherwise.
He also didn't write what is considered by musicologists as being the only trio music written after Bach, that equals it.
He didn't do much, did he?
