Who is Mademoiselle Reisz from The Awakening, and Selected Stories and what is their importance? "The_Awakening

Mademoiselle Reisz is a pianist. She is described as an eccentric, ugly, and irritable, who lives alone. Edna often visits Mademoiselle Reisz to listen to her play the piano, as well as listen to her read the letters she receives from Robert.