Erin has appeared on Broadway as Mrs. Nordstrom in the Tony nominated revival of A Little Night Music starring Angela Lansbury, Bernadette Peters, Elaine Stritch, and Catherine Zeta-Jones, directed by Sir Trevor Nunn, where she also performed the roles of Anne and Charlotte. Erin made her Broadway debut with The Phantom of the Opera and performed the role of Christine Dae in the Broadway National Tour and the brand new Vegas production: Phantom- The Las Vegas Spectacular. Erin sang in the premiere of the new Andrew Lloyd Weber revue, Now and Forever at the Marriott Theatre in Chicago where she sang the North American premiere of the title song, Love Never Dies, as well as music from The Phantom of the Opera and The Woman in White. Favorite regional credits include Eliza Doolittle in My Fair Lady (Gretna Theatre), Sarah Brown in Guys and Dolls (The New Harmony Theatre), Anne in A Little Night Music (Opera Cleveland), and Guinevere in Camelot (Arts Center of Coastal Carolina).
Erin has appeared twice with the Omaha Symphony as their soprano soloist in their holiday concert, Christmas with the Symphony, most recently in 2018. She was also the soprano soloist in a world premiere presented by American Opera Projects at Carnegie Hall. Erin has been a frequent soloist with members of the Manhattan Chamber Orchestra, The Finger Lakes Chamber Music Series, and The Young Soloists Chamber Society of New York, and has appeared at Carnegie Hall, Avery Fisher Hall, Symphony Space, Steinway Hall, Merkin Hall, Gould Hall, the Liederkranz, El Museo del Barrio, and the Yamaha Piano Salon.
Erin and her husband David DeWitt perform together frequently and have appeared recently with The Northern Dutchess Symphony, The Chappaqua Orchestra, Baltimore Musicale, The Festival of the Arts at Mohonk Mountain House, Shadowland Stages, and more. They recently created a cabaret-concert titled Married with Child where they sing their favorite songs about the ups and downs of marriage and parenting from the Great White Way, The Great American Songbook, as well as old Hollywood gems while sharing humorous anecdotes from their experiences as parents and as a couple.