You could get a socket tester with an RCD test button for about 15 euro, which will allow you to trip it from the comfort of your bedroom, though obviously everything on mains socket circuits may be off for a while as well as the music. Then ask if it might be the speaker volume each time you kill it.
https://www.amazon.co.uk/Senders-Automatic-Electric-Display-Neutral/dp/B07NM47VNT