Other accomplishments include the world premiere of Serving Elizabeth, in which she also acted, at Western Canada Theatre in February 2020. It was a co-production with Thousand Islands Playhouse whose production was postponed to October 2021. It had a production under a canopy at Stratford Festival and at Belfry Theatre. The play is published by Scirocco Drama.
Marcia has participated in playwrights’ units at Thousand Islands Playhouse, Obsidian Theatre Company, Theatre Passe Muraille as well as Ontario Arts Council Playwright’s Residencies at Blyth Festival and Roseneath Theatre. The short opera My Mother’s Ring for which she wrote the libretto with composer Stephen A. Taylor was nominated for a 2009 Dora Mavor Moore Award in Toronto. Their second collaboration, Paradises Lost, based on the Ursula K. Le Guin novella had excerpted concert performances at Reed College (Third Angle Ensemble) in Portland, Oregon and at The Gershwin Hotel in New York. Paradises Lost had its premiere at University of Illinois and a concert performance for Musical Works in Concert during the SummerWorks Festival.