DeVotchKa is a four piece multi-instrumental and vocal ensemble. They take their name from the Russian word devotchka (девочка), meaning "girl". Based in Denver, Colorado, the quartet is made up of Nick Urata, who sings and plays theremin, guitar, bouzouki, piano, and trumpet; Tom Hagerman, who plays violin, accordion, and piano; Jeanie Schroder, who sings and plays sousaphone, double bass, and flute; and Shawn King, who plays percussion and trumpet.
Check them out here.