Chris Riding, Matisse's Music Chris Riding considers focus Matisse’s paintings 'The Music Lesson' (1917) and 'The Piano Lesson' (1916) in relation to the formalist theories of Roger Fry and Clement Greenberg.Further ReadingG.Perry 'The expanding field: Ana Mendieta's Silueta Series' in J. Gaiger, ed, Frameworks for Modern Art, Yale UP/OU, 2004.J.Blocker, Where is Ana Mendieta, Duke University Press, 1999.