Philips EP 434.949 BE (1964)...binaural, really, but the cleanest sound on this one I've heard yet
The comment thread refers to a true multi-track stereo version...the below link is to a restored (if stretched) Scopitone with audio overdub...worth checking out: http://www.wat.tv/video/france-gall-1964-laisse-tomber-37d9z_37d93_.html