Originally from Bellingham, WA, Emily Reppun studied horn at Roosevelt University's Chicago College of Performing Arts under the instruction of Dale Clevenger and Alice Render.

She performs as a substitute with the Los Angeles Philharmonic, San Diego Symphony, Pacific Symphony, and Pageant of the Masters, and as acting principal with the Monterey Symphony, Fresno Philharmonic, Redlands Symphony, Hollywood Chamber Orchestra, and Riverside Symphony. She has performed with Patti LaBelle, Frankie Valli, Winona Judd and Leslie Odom Jr, and several times as solo horn in Beverly Hills with Seth MacFarlane.  She appeared in the opening of The Wizarding World of Harry Potter with the Los Angeles Philharmonic and John Williams and in Christmas performances with Mannheim Steamroller since 2015, as well as theater productions at the Segerstrom Center of the Arts. She has appeared on national television with Rihanna, Kanye West, Rickey Minor, Christina Aguilera, and on "The Voice." Emily is a regular member of the Golden State Pops Orchestra and Long Beach Municipal Band. 

Emily performs on a 1976 S.W. Lewis horn and a 1966 Conn 8D H Series, as well as Wagner Tuba, mellophone and a variety of Tibetan horns.