original_query: What is Sondheim on Sondheim?
query: What is Sondheim on Sondheim?
answer: Sondheim on Sondheim is a musical revue consisting of music and lyrics by Stephen Sondheim, conceived and directed by James Lapine. It features taped interviews with Sondheim and songs from nineteen of his shows, incorporating well-known, less-known, and cut material.