you could always fight fire with fire; a suitable track to blast at unruly neighbours is "Sister Ray" by the Velvet Underground - all 18 glorious minutes of it......
When I had problems when I was living close to a young people's hostel and they had ghetto blaster on at silly o'clock, got in touch with my local council and they sent out some one with noise meter, so noise could be monitored, and an enforcement notice was put in place.
BB - what are your council's rules on noisy neighbours?
Check their website plus make a note of what times the loud music is being played at.
If it's that bad, phone the police.
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