Challenge records has just released a new CD containing Karl Weigl's piano trio (1938 - 39) paired
with Steuermann's transcription of Schönberg's 'Verklärte Nacht' for piano trio, played by the Osiris Trio.
http://www.challengerecords.com/products/1374048885/ (http://www.challengerecords.com/products/1374048885/)
and
http://www.osiristrio.com/c-2222833/schonberg-weigl/ (http://www.osiristrio.com/c-2222833/schonberg-weigl/)
See also:
http://www.amazon.co.uk/Schonberg-Karl-Weigl-Verklarte-Nacht/dp/B00FAYZXP8/ref=sr_1_3?s=music&ie=UTF8&qid=1384809215&sr=1-3&keywords=weigl (http://www.amazon.co.uk/Schonberg-Karl-Weigl-Verklarte-Nacht/dp/B00FAYZXP8/ref=sr_1_3?s=music&ie=UTF8&qid=1384809215&sr=1-3&keywords=weigl)