Yesterday’s Chanson Du Jour was Petula Clark’s French lyric version of her 1968 hit This Is My Song. A year earlier in 1967, Paul Mauriat cover of the Andre Popp / Pierre Cour tune L’Amour Est Bleu (“Love Is Blue”) became a number 1 hit in the US.
This version is from British folksinger Flo Morrisey, 2015
Paul Mauriat’s instrumnetal version, 1967