Lorraine Hansberry termed her best work, and he adapted many of her writings into the play "To Be Young, Gifted and Black", which was the longest-running Off Broadway play of the 1968–69 season. It appeared in book form the following year under the title "To Be Young, Gifted and Black: Lorraine Hansberry in Her Own Words". She left behind an unfinished novel and several other plays, including "The Drinking Gourd" and "What Use Are Flowers?", with a range of content, from slavery to a post-apocalyptic future. "Raisin", a musical based on "A Raisin in the Sun," opened in New York in 1973,
What is a Masterpiece? confluence of memories and emotions forming a single idea", that it has "a power of recreating traditional forms so that they become expressive of an artist's own epoch and yet keep a relationship to the past". The highest masterpieces are said to be "illustrations of great themes." Clark also implicitly excluded the erotic from considerations of what constituted a masterpiece, based on his perspective that a necessary condition is the balance between sense and form (works that are too sensual are, therefore, unbalanced and not to be categorised at masterpiece level). What is a Masterpiece? What is a Masterpiece? is