No crystal stair : a setting of the poem "Mother to son" for voice and piano / words by Langston Hughes ; music by Frances Thomas.Hughes, Langston, 1902-1967--Musical settingsThomas, Frances S., -1999, composer [1957]"To Coretta Scott King"--Page 3.For voice and piano.Presentation inscription from Lagston Hughes to Yale. From the Langston Hughes Papers.Staff notation.notated music