This Squier Bass was made in Korea 1989. In the Samick factory. Samick has been a manufacturer since the early 1950's starting with making pianos.
Samick produces many variety of Guitars for several big named companies and host their own line of Greg Bennett/Samick guitars. The quality is as good as any US factory.
The value of this bass, based on a recent listing on Ebay (5/13) is $350.00.
Well, he had one major hit called "Achy Brakey Heart", and was pretty much always a solo act.
Bass us almost always in jazz, but rarely is it bowed. Except for a few rare circumstances, upright bass is always plucked with the finger. Violin is much less common, but still popular in jazz.