If you wrote a song 30 years ago based on the end of a film on BBC 2 which you could never find again because you saw it on a black and white television so remembered it as older than it was but did note the date then try looking that up in the Radio Times.
I found mine but won’t name it as a recording of said song will be on one my E.P.s coming out in the future and the lyrics will spoil the ending if you haven’t seen it.