Teribus, I think you do not appreciate the nuisance that some, by no means all and maybe not most, venues do cause to their neighbours. The problem is amplified music whether live or recorded. It can be played at totally unreasonable volume, and at hours far in excess of those granted under either planning permission (if the venue is quite new) or granted licences.

Hamish, if a pub you know of is doing that then they are not being 'naughty' they are being completely irresponsible, and the local licencing authority, environmental health, and the police should be informed. If they persist then quite frankly that venue needs to be closed down.