Her debut portrait CD, Mouthpieces was released in January 2014 on the col legno label in Vienna and received a review in Gramophone, which stated, «Erin Gee clearly has a contribution to make.» Gee's awards for composition include the Zürich Opera House's Teatro Minimo 2nd round, the Picasso-Mirò Medal from the Rostrum of Composers, the Gianni Bergamo Competition, a Guggenheim Fellowship, a Radcliffe Fellowship, the 2008 Rome Prize, the Charles Ives Fellowship from the American Academy of Arts and Letters, among others. In 2009, the Zurich Opera House performed the short opera SLEEP. She has been commissioned twice by the Radio Symphony Orchestra Vienna, Kronos Quartet, the Los Angeles Philharmonic New Music Group under Esa-Pekka Salonen, Klangforum Wien, the Tanglewood Music Center, Musik Protokoll with the Arditti Quartet and again with Ensemble Nova, Wittener Tage
für Neue Kammermusik, Impuls Festival, Klangspuren, Akiyoshidai International Arts Village, and others. The American Composers Orchestra commissioned Mouthpiece XIII: Mathilde of Loci Part I for Zankel Hall in Carnegie Hall, which was highlighted in Symphony Magazine (March/April 2010), and cited in the New York Times as «subtle and inventive.» She has been awarded the Charles Ives Fellowship from the American Academy of Arts and Letters and a Bogliasco Fellowship. Recordings of her music have also been released by the TAK ensemble, ICE ensemble's Ryan Muncy and Ross Karre, the Radio Symphony Orchestra, Austrian Broadcasting Corporation (ORF), the Believer Magazine, Wittener Tage für Neue Kammermusik, and Hammer Records. Her voice and vocal compositions can be heard on the strategy video game Blek. Ms. Gee is currently an Assistant Professor of Composition at Brandeis University.