Dmitri Shostakovich's String Quartet No. 6 in G major, Op. 101, was composed in the summer of 1956. It was premiered by the Beethoven Quartet in October 1956. It carries no dedication. The Beethoven Quartet recorded it on the Mezhdunarodnaya Kniga label.
Not who you're looking for? Others named String Quartet No. 6: string quartet by Antonín Dvořák · 1938 work by Heitor Villa-Lobos · composition for string quartet by Béla Bartók · String quartet by Louis Spohr