Talk:Sona/Background/@comment-24852115-20150213171113/@comment-25469998-20150308165253

http://images.wikia.com/leagueoflegends/images/a/a5/SonaDJKinetic.move07.ogg

In this line I can hear her saying "Fanfare - A symph-".

Which is clearly a mashup of "The fanfare ascends" and "A symphony of justice."

There are other quotes which sound related in the same way so yep, you're right.