Don't remember any words, just this instrumental bit which is probably the main motif. It's a slow mellow song, seems to sound like it was made relatively recently in my head. Here's the link to the melody of the bit stuck in my head:
https://onlinesequencer.net/345147
I realise this isn't much to go on, but if this rings any bells I'd really appreciate it if you let me know.
Cheers.