The principal first violinist in an orchestra. The concermaster develops the bowing strategies for the strings sections, plays the solo parts, and supervises the tuning at the beginning of the concert.
the leader of the first violins of an orchestra and usually the assistant to the conductor
The "first chair" violinist who plays occasional solos and is responsible for coordinating all of the stringed instruments. The concert master decides on the bowing, so that the bows in each string section move in unison.