1) Violinist 
The concertmaster (from the German Konzertmeister) is the second-most significant person in an orchestra, symphonic band or other musical ensemble after the conductor or director. In the UK, the term commonly used is `leader`. == Orchestral == In an orchestra, the concertmaster is the leader of the first violin section. Any violin solo in an orc.....
the leader of the first violins in a symphony orchestra, who is usually also the assistant to the conductor.
the lead violinist of the orchestra