in Eyles Espinoza is a member of The Santa Fe and El Paso Symphonies. She has performed in the New Mexico Philharmonic, in chamber music recitals in the area, and concertized throughout the United States and in Europe, South America, and Asia. Before relocating to Las Cruces, she freelanced in the Washington, D.C. area for many years, performing regularly with the National Symphony Orchestra, including two tours to the West Coast and the Southeast. As a freelance musician, she performed with over thirty professional orchestral, opera, ballet, and chamber music organizations in Washington, D.C. She has performed at the Kennedy Center under the direction of Lorin Maazel, Kent Nagano, Pinchas Zukermann, and Leonard Slatkin among others, with featured soloists including Itzhak Perlman, Gil Shaham, Hilary Hahn, Truls Mork, and Pinchas Zukerman, as a soloist with the Air Force Strings on tour and in orchestra concerts in Lichtenstein, England, the Azores, Guam, Japan, and Singapore.

Working with cello students of all ages, she has taught in New Mexico, Maryland, Virginia, North Carolina and Pennsylvania, including adult cello workshops in Las Cruces and near Asheville and Philadelphia for many years. In addition to teaching privately, she teaches music at Doña Ana Community College and at J. Paul Taylor Academy.  Erin has degrees in cello performance from Carnegie Mellon University and Peabody Conservatory, and she enjoys collaborating with her husband, Jorge Espinoza, cello professor at New Mexico State University, in projects such as the presentation of cello workshops and recitals in Contulmo and Chonchi in Southern Chile.