Eleanor Duncan Armstrong instructed the flute studio from 1983-2012. She also coached flute chamber music ensembles, and performed with The Pennsylvania Quintet and the Armstrong Flute and Percussion Duo.
As an orchestral flutist, she has performed with the Aspen Festival Orchestra, the Breckenridge Colorado Institute, and the Oklahoma Symphony. She currently performs as flutist with the Pennsylvania Centre Orchestra. With the Pennsylvania Quintet, she has toured extensively in the United States and Europe, including performances at the National Gallery in Washington, D.C., Carnegie's Weill Recital Hall in New York City, and the Schleswig-Holstein Musik Festival in Germany. The quintet's compact disc recordings include American Wind Music, 20th Century Wind Chamber Music, and Recent American Works for Winds (Centaur CD label). The quintet has also been featured on National Public Radio's Performance Today and is a past winner of the National Flute Association Chamber Music Competition in Washington, D.C.
With the Armstrong Flute and Percussion Duo, she has presented master classes and recitals throughout the country. The duo is especially active in commissioning new works for the ensemble and has recorded Exotic Chamber Music (Centaur CD label) and Creative Mix (Gasparo). The National Flute Association has featured the Armstrong Duo in invited performances at four national conventions: New York City, Phoenix, Columbus, and Nashville.
Dr. Armstrong holds graduate performance degrees from the Juilliard School and the University of Michigan. She earned her undergraduate degree in flute performance at Oklahoma City University. She was appointed to the Penn State faculty in 1983.