Maybe clearer ...
Here are the items that returned to the title question.
AU QUAI BILLY
ISWC Code: T-003.597.482.3
GUY LE PINCART, ComposerIPI Code : 149201785
Michel TONNERRE, AuthorIPI code : 201529313
In the absence of identity and publisher details, we can
conclude two things ...
Either there is a self-edition and in this case, it must be requested
to the beneficiaries mentioned in the response.
Or there is nothing at all;
And in the second case ... it is faster to make a musical statement
There are online tools capable of giving the continuation of the chords in their position (measures) it only remains to rely on the sequence of chords to write or deduce the melody
One note per syllable.
There is a Youtube clip for the title you are looking for.
CHORDU tools. COM SONGLE.JP and others .