Quartet Roulette  
Luigi Boccherini

Boccherini: G171 in c minor

Group nickname: Opus 9

Completed in 1770, the year he turned 27.  Opera Grande (4 movements). Read more on wikipedia.

#MovementRecording
IAllegro—
IILarghetto—
IIIMinuetto—
IVPresto—

See other quartets by Boccherini. Check out the score on IMSLP.