From: https://tabs.ultimate-guitar.com/tab/the-manhattan-transfer/chanson-damour-chords-830828 with notes
important: barre chords
C... Am.. Dm... G..7.. C. E7
Chan.. son.. d'amour, rat da dat da dat, play encore.
A...7... Dm... G..7.. C... Dm.. G...
Here in my heart, rat da dat da dat, more and more
C... Am.. Dm... G..7.. C.. E7
Chan.. son.. d'amour, rat da dat da dat, je t'adore
A...7... Dm... G.. 7.. C..
Each time I hear rat da dat da dat Chanson, chanson d'amour
fini:
G.. 7.. C..
Chanson, chanson d'amour