channel has a wealth of videos documenting this festivel from the last 10 years.
Here's a full performance of Beethoven's String Quartet Opus 135 by the Tokyo String Quartet at the 2008 Summerfest:
I'll be featuring more highlights from the Summerfest collection in the future....
As a second feature for today here's a concert from Serreconcert 5 (Conservatory Concert 5) from the conservatory of the AKN-building in Hilversum, Netherlands. The Rubens String Quartet performs Mozart's String Quartet KV 589, followed by Beethoven's "Harp" Quartet Opus 74.
Mozart's Quartet KV 589 begins at 3:00.
Beethoven's Quartet Opus 74 begins at 31:30.