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There are lots of violins and variations of the violin like the viola in an orchestra.
It is also a good solo/duet instrument.
There are two(2) people who takes part in a duet
Sun-Woo Kim is 34 years old (birthdate: September 4, 1977).
2 people are needed for a duet
2-duet
3-trio
4-quartet
1-solo
RR
A duet