Peter Schidlof (1922–87), the Amadeus Quartet's violist, performs the second movement of William Walton's Viola Concerto on BBC Two in 1968.

UPDATE (26 March 2014): His instrument, the 1719 'Macdonald' Stradivarius viola, is being offered for sale by Sotheby's and Ingles & Hayday. Click here to read the story and view images of the viola.

Amadeus Quartet performs Britten's String Quartet no.2 in C major

Amadeus Quartet performs Beethoven's String Quartet op.18 no.4