January 22, 2005 - Concerto for String Quartet and Orchestra, Amarillo Symphony Orchestra, TX - http://www.amarillosymphony.org/season/brochure.php
March 10, 2005, Piano Trio #2 "Silent Voices," Chamber Music Society of Lincoln Center/Rose Studio, New York City - http://www.chambermusicsociety.org/
March 17, 2005, all-Lees recital at Bloomingdale School of Music-New York City, 7 PM - Toccata, Odyssey I (New York Premiere), Mirrors and Sonata No. 2 for Violin and Piano, performed by Judith Olson, piano and Rolf Schulte, violin. http://www.bsmny.org/
March 20, 2005, Tapestry for flute, clarinet, cello and piano (New York Premiere), American Chamber Ensemble, Hofstra University, Monroe Lecture Center Theater on California Avenue in Hempstead, New York. http://www.jamesarts.com/ace/home.html.
March 22, 2005, Piano and Chamber Music for Small Ensembles at Faust Harrison Pianos, 205 West 58th Street in Manhattan - performed by Thomas Piercy, clarinet, Judith Olson, piano, Mirian Conti, piano, Barbara Ann Martin, soprano and The Intrepid Wind Quintet - Maureen Keenan flute, Sarah Loveland, oboe, Thomas Piercy, clarinet, Daniel Liao, bassoon and Kristin Mozeiko, horn – works include Two Miniatures for Woodwind Quintet (1974 - World Premiere), Sonata for clarinet and piano (1953/2005 - World Premiere of clarinet arrangement of Violin Sonata No. 1, arrangement by Thomas Piercy), Paumanok for soprano and piano (1979), Three Variables for oboe, clarinet, bassoon, horn, and piano (1955 - New York Premiere) and Tableau for two pianos (2003 - New York Premiere). (http://www.faustharrisonpianos.com/)
April 12, 2005, Landscape, Ellen Orner, Maryland Institute of Contempory Art, Baltimore, MD. The work was commissioned by Ellen Orner. She specifically wanted an extended work for solo violin, this to be based on the Surrealist painter Yves Tanguy. She herself has been an enthusiast of his works and knew that he was also one of Benjamin Lees' favorites. The work is 16 minutes in duration and was completed in 2004.
December 6, 2005, 7pm, String Quartet No. 6 (World Premiere), Cypress String Quartet, San Jose Chamber Music Society, Le Petit Trianon, 72 N. 5th Street, San Jose, CA
April 14, 2007, Piano Concerto No. 3 (World Premiere), Ian Hobson, piano; Florida Orchestra conducted by Susan Haig, Mahaffey Theater, Tampa, FL.
April 29, 2008, NEW RECORD RELEASE! A new recording of Benjamin Lees' Concerto for Violin and Orchestra is scheduled for release April 29, 2008. It can be pre-ordered now through Barnes & Noble. The recording will be on the Artek label and the Barnes & Noble UPC is 661853004227. The recording features soloist Elmar Oliveira with the National Symphony Orchestra of Ukraine conducted by John McLaughlin Williams. The recording also contains the Ernest Bloch Violin Concerto.
June 21, 2009, the Collage for Organ will be premiered June 21st, 2009 at the Far West Regional Convention, Phoenix, Arizona by the American Guild of Organists. It will be held at Faith Lutheran Church with soloist Patrick Hawkins.