Still very much a work in progress. Washington Post 12/30/99
Previously: THAT MISSING FIVE PERCENT:  When the musical “Martin Guerre” opened in London in 1996,  reviews were mixed, and its creators acknowledged it wasn’t working and went back to their studios. Headed to Broadway next year, the show is about to open in Washington DC, and looking, composer Claude Michel Schonberg says, for that last five percent to make it sing. Washington Post 12/29/99

Source: Washington Post