A Late Quartet

A Late Quartet is a 2012 American drama film cowritten with Seth Grossman, produced, and directed by Yaron Zilberman. The film uses chamber music played by the Brentano String Quartet and especially, Beethovens Op. 131. The film was released in Australia as Performance.

The scene in which Peter Mitchell tells his music class an anecdote about meeting Pablo Casals is adapted from an anecdote found in Cellist, the autobiography of cellist Gregor Piatigorsky the circumstances of the encounter and the pieces played are changed in the film, but Casalss words are essentially identical to those recounted by Piatigorsky.The films stage performances were filmed in the Metropolitan Museum of Arts Grace Rainey Rogers Auditorium, the same stage where the Guarneri Quartet gave its farewell concert in 2009. ........

Source: Wikipedia