PSS playing the 'Kreisler' Del Gesu. Library of Congress, May 2008. Photo; Richard Bram

Composer Jim Aitchison at work-Photo Richard Bram

Kreutzer Quartet at Tate St Ives 2006

Roderick Chadwick rehearsing with Mihailo Trandafilovski (right) and Peter Sheppard Skaerved, at Wiltons. May 2009

Limited rehearsal space. Tate St Ives 2006. Photo: Richard Bram

Michael Finnissy listening to the Kreutzers rehearsing his completion of Grieg's Piano Quintet. London 2009. Photo; Richard Bram

Aaron Shorr, Nigel Clarke, Sidika Ozdil discussing George Crumb and Nigel Clarke's 'Miraculous Violin' at the same time! Ankara 2003.

Playing Ernst's transcription of Schubert's 'Erlkonig', surrounded by the work of Meriele Neudecker, Tate St IVes, 2004. Photo: Richard Bram

Practice. Wapping 2008. Photo: Richard Bram

Bassist Rachel Meerloo ( at Wilton's May 2009). Photo: Richard Bram

PSS with composer Rafet Rudi and Aaron Shorr. Prishtina, Kosovo 2006. Photo; Richard Bram

At work in the National Portrait Gallery. Photo. Richard Bram

Instrumenta Oaxaca 2005; PSS and Aaron playing Beethoven. Photo-Richard Bram

Mihialo Trandafilovski. Photo Richard Bram

The most relaxed traveller among composers! Matthews en route to Italy, 2007. Photo: Richard Bram