Escher String Quartet playing the Mozart String Quartet K.465 (Dissonant). The concert starts with another Quartet featuring Pekka Kuusisto, Violin Hartmut Rohde, viola, Anja Lechner, cello and Phillipe Cassard, Piano, performing the Beethoven Piano Quartet Number 1 op. 36.

The concert is split up into two parts with the Beethoven up top and the Mozart down below.

Here, as always are the notes via Radio France Musique:

Bantry : Beethoven, Mozart
Ludwig van Beethoven (1770-1827)
Quatuor N°1 en Mi bémol majeur WoO.36 N°1
Pekka Kuusisto, Violon
Hartmut Rohde, Alto
Anja Lechner, Violoncelle
Philippe Cassard, Piano

Wolfgang-Amadeus Mozart (1756-1791)
Quatuor N°19 en Do majeur K.465, Les Dissonances

Quatuor Escher
Adame Barnett-Hart, Violon
Wu Jie, Violon
Pierre Lapointe, Alto
Andrew Janss, Violoncelle
Concert donné le 2 juillet 2010 en l’ Eglise St Brendan de Bantry dans le cadre du Festival de Musique de chambre de West Cork

Announcements are in French ("but the concert's from Ireland" - yeah, I know) and the music won't make you want to kill anything.