The Chansonnier Cordiforme or Chansonnier de Jean de Montchenu is a cordiform (heart-shaped) music manuscript. Collection Henri de Rothschild MS held in the Bibliothèque Nationale. Manuscript on parchment.
heart-shaped songbook -- the Chansonnier Cordiforme, also known as the Chansonnier de Jean de Montchenu. , consists of seventy-two parchment folios, in a heart shaped leather binding that opens to a double heart shape.