Concerts and residencies bring artists of the
highest caliber to The Walden School
Artists in residence at The Walden School Creative Musicians Retreat have included members of International Contemporary Ensemble, Wet Ink Ensemble, Mivos Quartet, Carlos Cordeiro, David Friend, Matthew Gold, Kyle Flens, Eric Huebner, Steve Beck, Teresa McCollough, Phyllis Chen, and Julia Bruskin and Aaron Wunsch. Recent Composers-in-Residence have included Marcos Balter, Lisa Bielawa, Annie Gosfield, George Lewis, Lei Liang, and Christopher Theofanidis.
Visiting Artists at Walden’s 2025 Creative Musicians Retreat
Paula Matthusen, CMR 2025 Composer-in-Residence

Read more about Paula and her work on her website.
David Friend, piano

International Contemporary Ensemble
Members of ICE at the 2025 Creative Musicians Retreat are Kyle Armbrust (viola), Isabel Lepanto Gleicher (flutes), Rebekah Heller (bassoon), Dan Lippel (guitars), and Modney (violin).
Kyle Armbrust, viola
Violist Kyle Armbrust, praised by The New York Times as “assured, brilliant, and stylish,” has built a dynamic career as a soloist, chamber musician, and orchestral performer. He made his New York solo debut with Kurt Masur and the Juilliard Orchestra at Avery Fisher Hall and has since appeared with ensembles including the Academy of St. Martin in the Fields and the St. Petersburg Philharmonic. A passionate advocate for contemporary music, Kyle has worked with composers such as Steve Reich, Osvaldo Golijov, and Elliott Carter, and performs regularly with groups like the International Contemporary Ensemble, Argento Ensemble, and the Orchestra of the League of Composers. He is assistant principal viola of the New Jersey Symphony, principal of the Westchester Philharmonic, and a founding member of The Knights. His chamber music appearances span festivals from Marlboro to Verbier, and he has collaborated with artists across genres, including Sting and Sufjan Stevens. Kyle is a Juilliard graduate and records on labels such as Naxos, Sony, and Cedille.
Isabel Lepanto Gleicher, flute

Rebekah Heller, bassoon

Daniel Lippel, guitar

Theo Ramsey, violin

Concerts and residencies bring artists of the highest caliber to The Walden School.
Through the performance of diverse music, guest artists play an active role in helping stimulate students’ creativity. Guest performers have included The Alexander String Quartet, Phyllis Bryn-Julson, Calliope Duo, Cyrus Chestnut, Clogs, Cross Country, Del Sol String Quartet, Bryce Dessner, Fantasy Duo, Thomas Hecht, Julian Martin, Teresa McCollough, The New Millenium Ensemble, Odd Appetite, Judith Panill, The Peabody Trio, The Phoenix Chamber Orchestra, The PRISM Saxophone Quartet, Claudia Stevens, and Robert Weirich.


Summer 2026
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