You are correct!
From our dictionary:
ca•coph•o•ny
(ku-kof'u-nE), [key]
—n.,
—pl. —nies.
1. harsh discordance of sound; dissonance: a cacophony of hoots, cackles, and wails.
2. a discordant and meaningless mixture of sounds: the cacophony produced by city traffic at midday.
3. Music.frequent use of discords of a harshness and relationship difficult to understand.
(ku-kof'u-nE), [key]
—n.,
—pl. —nies.
1. harsh discordance of sound; dissonance: a cacophony of hoots, cackles, and wails.
2. a discordant and meaningless mixture of sounds: the cacophony produced by city traffic at midday.
3. Music.frequent use of discords of a harshness and relationship difficult to understand.
