Sondheim, shown here in 1974, won the Pulitzer Prize in Drama for Sunday in the Park with George. He has also received eight Tony Awards, eight Grammy awards and a Kennedy Center Honor. Hulton Archive/Getty Images hide caption

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Happiness is a good rhyme: Stephen Sondheim's new memoir takes its title from a lyric that captures what songwriter Paul Simon -- in a New York Times review of the book -- describes as "that feeling of joy, the little squirt of dopamine hitting the brain" when an artist is at work. Courtesy of the author hide caption

itoggle caption Courtesy of the author

Anthony Perkins and Charmian Carr starred in Stephen Sondheim's 1966 made-for-TV musical, Evening Primrose, about people living in a department store after-hours. ABC/Photofest hide caption

itoggle caption ABC/Photofest

Sondheim, shown here in 1974, won the Pulitzer Prize in Drama for Sunday in the Park with George. He has also received eight Tony Awards, eight Grammy awards and a Kennedy Center Honor. Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images