There is an interesting bunch of videos on YT taken from the Jubilee Concert
for
Sergey Slonimsky's 80th birthday (
http://www.conservatory.ru/node/2564):
St. Petersburg Conservatory Chamber Orchestra
Conductor: Alim Shakhmametiev
Live concert from the Glazunov Hall / St. Petersburg Conservatory, 2012-03-28
Tragicomedy, concerto for viola and string orchestra - I. Drama II. ComedyAlexej Lyudevig -viola
Concerto for cello and chamber orchestraAlexej Massarsky - cello
Jewish Rhapsody, concerto for piano, strings, flute and percussionsKsenia Gavrilova - piano
Concerto Primaverile for violin and string orchestraMikhail Gantvarg - violin