After several listens I couldn't really be sure what language(s) it was in, but there seemed to be bits of French and English at least, though I could hardly get the gist of what it was all about.
Apparently the words have never been published, and never will be. Also apparently it could have been a bit of an "improvised words" job.
Whatever ... it's a lovely song with an elegant riff to it.... here it is, pop-pickers ..
Have you been getting on with that " Billboard Challenge" I set you last time ? If not, hoof back one to the previous harticule and see what's needed. Hurry up now.