It drives me mad too.
I noticed last week that background music has just found its way into
The Sky At Night
The programme has been on air since 1957 and remained musak-free until the recent death of its host Patrick Moore. The poor bloke was still warm in the ground and they've defiled his legacy by adding unnecessary music to the show. What next, canned laughter
Mind you, there is something to be said for people power - the BBC received so many complaints about the intrusive volume of the 'background' music on the first episode of Brian Cox's (otherwise excellent)
Wonders Of The Universe, they actually remixed the audio to bring the levels down for the rest of the series.
Another thing that I find extremely distracting is how they use ducking to drop the level of the background when the narrator actually says something. It's not big and it's not clever.
Turn it off. Or at least turn it down