String Quartet No. 14 (Mozart) String Quartet No. 14 (Mozart) The String Quartet No. 14 in G major, K. 387, nicknamed the "Spring" quartet, was composed by Wolfgang Amadeus Mozart in 1782 while in Vienna. In the composer's inscription on the title page of the autograph score is stated: ""li 31 di decembre 1782 in vienna"". The work was perhaps edited in 1783. This is the first of the Haydn Quartets, a set of six string quartets he wrote during his first few years in Vienna in honor of the composer Joseph Haydn, who is generally viewed as the father of the string quartet form.
String Quartet No. 9 (Villa-Lobos) String Quartet No. 9 (Villa-Lobos) String Quartet No. 9 is part of a series of seventeen works in the medium by the Brazilian composer Heitor Villa-Lobos, and was written in 1945. A performance lasts approximately 25 minutes. Villa-Lobos composed his Ninth Quartet in Rio de Janeiro in 1945. It was first performed in London in 1947, but the exact date, place, and performers are not known. The first performance in the composer's native country took place at the Auditório do MEC in Rio de Janeiro on 25 April 1960, as part of the Festival Villa-Lobos. The performers on this occasion