Desc: 100 PROOF Musical Theatre: Directed by David Finley. With Marion Abbott, Jewelle Blackman, Martin Buote, Jacqui Burke. "100 PROOF Musical Theatre" is a behind-the-scenes look at a Confidential Musical Theatre one-night-only performance of a Broadway musical. The audience doesn't know what play they're seeing. And the actors have just met. No rehearsal, no sets, no orchestra. No kidding. What could go wrong?