In 14th-century French mythology, Mélusine was half-woman/half-snake who was betrayed by her lover, turned into a dragon, and flew away. Mélusine is half French chanson/half idiosyncratic art song, which in its course reveals its own soaring majesty. With three Grammys and a MacArthur “Genius” Award to her name, Salvant has already far transcended her early status as her generation’s most imaginative and thrilling jazz interpreter. To portray this fantastical tale, she goes further, ranging from 12th-century troubadour ballads to a song from the obscure ‘70s Canadian rock musical Starmania (and a few originals), sung mostly in French, Haitian Kreyol, and even the ancient Occitan tongue. Salvant’s music isn’t just about juxtaposition — it’s about synthesis and transformation, just like Mélusine. — Steve Hochman