Marie-Josée Lord is a soprano on the move. We caught her by phone while she was in Toronto for an intensive two-week workshop with the Volcano Theatre Company. Lord is participating in their reboot of Treemonisha, the opera written by Scott Joplin in 1910 and first performed in 1972. The company is replacing the libretto while keeping Joplin’s original characters. Meredith Potter, producer of the show, explains that the original manuscript with an orchestration was lost. Now a vocal/piano score is the only vestige. The new orchestration and arrangements by Jessie Montgomery and Jannina Norpoth are a fusion of classical…