Clashing is often used to describe a sound or an event in question.

Lots of articles saying we are clashing … no ones clashing we are just having a bit of Family time after hitting the road for 3 years

— Liam (@LiamPayne) January 8, 2014

Going to make my next book a mess of clashing colors so no one can use it as a home decor brick in their color-sorted wall of unread books.

— Isaac Marion (@isaacinspace) August 12, 2018

*long thundering drumroll followed by 1,000 clashing cymbals* #madeinchelsea

— Made in Chelsea (@E4Chelsea) March 31, 2015

Did you mean clasping?