[4] She has represented the United States around the world as an International Ambassador of Music, appearing at the Senate Caucus in Washington, D.C., and premiering the Barber Violin Concerto in China.
She has also performed in many of the world's leading concert halls, such as the Théâtre des Champs-Élysées in Paris, the Mozarteum in Salzburg, the Kölner Philharmonie, the Haydn Saal at the Esterházy Palace in Eisenstadt, the Prinzregententheater in Munich and the Great Hall of Zurich's Tonhalle.
Her numerous collaborations have been with artists such as Fabio Biondi, Ádám Fischer, Alban Gerhardt, Heinz Holliger, Gary Hoffman, Liana Isakadze, Konstantin Lifschitz and Alexander Lonquich as well as with the Swiss Chamber Soloists.
As well as appearing internationally on television and radio, Chapelle has been featured on recordings for Naxos,[6] JPC and Guild Music.
[7] After battling a very rare and aggressive form of cancer for several months, Chapelle died on the morning of March 23, 2021, after suffering a stroke.