Rostroprovich once gave the Mahler "Resurrection" in Washington D.C., and it was allegedly a very exciting performance. I recently saw him do Shostakovich 5 - plus the "Festive Overture" - here in S.F. I must say, he made the S.F. string section sound about a thousand times better, in terms of sound quality, than it ever does under Tilson-Thomas (who I wish would just leave). He also let the low brass and percussion play out more than usual also. It sounded like a totally different orchestra under him (as opposed to MTT's usual expanded broadway pit band sound).