String quartet
A string quartet was a musical ensemble composed of four string instruments, typically two violins, one viola, and one cello. The term "string quartet" could also refer to a piece written for such a group. The ensemble was commonly used in the genre of European classical music from Earth.

In 2364 a string quartet, hallucinated by a crewmember, performed Mozart's "Eine kleine Nachtmusik". ()

In 2366 a string quartet featuring Lieutenant Commander Data on violin and Miles O'Brien on cello performed in the 's Ten Forward. ()

Later that year, Data and three other officers performed in a string quartet for visiting Ambassador Sarek. ()

In 2375, a string quartet performed at the Evora diplomatic banquet held on board the . ()

Featured string quartet repertoire
 Wolfgang Amadeus Mozart ()
 String Quartet No. 19 in C Major, K. 465
 Serenade for String Quartet and Bass in G Major, K. 525, "Eine Kleine Nachtmusik": I. Allegro
 Wolfgang Amadeus Mozart ()
 String Quartet No. 17 in B Flat, K. 458, "The Hunt": I. Allegro vivace assai (Note: This is contrary to the credits listing of "IV. Allegro vivo-assai.")
 Joseph Haydn ()
 String Quartet in D Major, Op. 64, No. 5 "The Lark": IV. Finale (Vivace)
 Johann Sebastian Bach ()
 Concerto for Two Violins in D Minor (played as Jean-Luc Picard exits the anteroom adorned with beads during the banquet.)

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Music