"Christmas for Children Who No Longer Have a Home” composer Debussy (6)
I believe the answer is:
claude
(Other definitions for claude that I've seen before include "--- Lorrain, painter; --- Debussy" , "- Debussy, nineteenth-twentieth century French composer" , "Rains perhaps" , "- Debussy, Fr. composer" , "Name shared by Monet, Debussy" .)