Double bass
The double bass was an Earth musical instrument and the largest member of the violin family.

A variation of the instrument was the electric double bass which doesn't need a resonating body. These instruments were often seen in the 24th century.

One crewmember of the  played an electric double bass during a jazz concert in Ten Forward that Commander William T. Riker also participated in. ()

A biomimetic copy of a science division officer played a bass at the wedding ceremony of B'Elanna Torres and Tom Paris in the mess hall aboard the Silver Blood  in 2375. ()

During the wedding of Commander Riker and Deanna Troi in 2379, an electric double bass was part of the small orchestra that played at the wedding reception. ()

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Earth musical instruments