BNF turns up nothing like this in a search though Worldcat seems to think they (BNF) do have a Brossard/Cazzati item entitled "Qu'en amour on ne peut trouver de jour heureux et tranquille" composed, however, not in 1678 but sometime between 1677 and 1710. Eric 13:45, 28 May 2011 (UTC)