Le Quatuor Rosamonde, Jean Sulem, Agnès Sulem-Bialobroda, Thomas Tercieux, Xavier Gagnepain
The Rosamonde Quartet is a French string quartet ensemble established in 1981. It takes its name from Rosamunde, a 1823 composition of incidental music by Franz Schubert, from which he reused a theme in his 13th quartet, nicknamed Rosamunde Quartet.
From Wikipedia (https://en.wikipedia.org/wiki/Rosamonde_Quartet) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)