I had one answer still to find - a “Classic Ealing film” (4 words) - and I couldn’t work it out, even though I had alternate letters for the second word which was the longest .
The music stopped on Classic FM which was playing quietly on the TV in the background and the presenter’s voice said something about the music to follow. I wasn’t really listening to him and all I heard was the word “Lavender” and I realised the answer was The Lavender Hill Mob.
How obliging of him!
(When I ran the programme back, I found that the music was Ladies in Lavender.)