by Yo-Yo Ma to perform and record Béla Bartók's Viola Concerto. Notes References Carleen Hutchins' Instruments and Archives at the National Music Museum Hutchins Consort, a performing group that uses the violin octet Lipsett, Fred (2006). Yahoo!Groups Viola list message 42682 "Alto Violin" Retrieved March 24, 2006. External links Associations New Violin Family Association Octavivo (similar to the NVFA but on the East Coast; organizes the "New Violin Family Orchestra") Instrument makers Robert J. Spear, New Violin Family instrument maker (Ithaca, NY) Luthier Joris Wouters, New Violin Family instrument maker (Westerloo, Belgium) a list of luthiers making instruments of the New Violin Family (all but one in the U.S.) Violin family instruments