Premise: Mme Sicard (first name unknown, "fl". 1678) was the daughter and pupil of Jean Sicard. Jean dedicated his 12th book to her, and she wrote airs for a number of his publications, including one in the 12th book, three in the 13th, and one each in the 14th and 16th. She is credited as the first published woman composer in France, followed closely by the renowned Elisabeth Jacquet de La Guerre.
Hypothesis: Mme Sicard wrote all Jean's airs.