Cacophony

/kəˈkɒf.ə.ni/ noun medium

A harsh, jarring mixture of discordant sounds.

The orchestra's warm-up before the concert was a cacophony of scales, tuning strings, and squeaking reeds.

Memory Trick

Caco- means 'bad' and -phony means 'sound' (as in 'telephone') — literally 'bad sound.'