Headphones start the music by itself when the headphone input is slightly wobbled or touched. What to do?

So I have a Huawei P9 and have never had any problems with the headphones so far. Now it has started, however, that when I plug in my headphones and it only wobbles minimally at the entrance, the music starts by itself… Have now bought extra times new headphones, but the problem has not been resolved so far… In the settings I have too already wanted like a madman, but I can't find anything to disable this really annoying thing…

Can someone help me please?

Just find out which app starts automatically and plays music and then just delete it and find a clever music app.

The music app is the standard music app that was already preinstalled on the phone.