He has also performed with Bob Dylan, Ralph Stanley, Lee Konitz, David Grisman, Mark O'Connor, Andy Statman, Jamey Haddad, Jay Ungar, Bruce Molsky, Darol Anger, Art Baron, and the International String Quartet Congress.

Past recipients include Joseph Szigeti, Pablo Casals, Isaac Stern, Yehudi Menuhin, Dorothy DeLay, and Ivan Galamian.

In addition to founding his own musical group, called the Wayfaring Strangers (featuring Tony Trischka, Laszlo Gardony, and Tracy Bonham), he has been a member of the Central Park Sheiks, the New York Bluegrass All-Stars, and Fiddle Fever.

The Central Park Sheiks were a mixed influence band that formed in the early 1970s and released a single LP, Honeysuckle Rose.

The band members included Bob Hipkins, Matt Glaser, Richard Lieberson, Bert Lee, and John Caruso.