Spectrum Concerts Berlin: Boris Brovtsyn (Vln.1) Alexander Sitkovetsky (Vln.2) Maxim Rysanov (Vla.) Jens Peter Maintz (Vlc.) Eldar Nebolsin (Pf.)
Spectrum Concerts Berlin: Boris Brovtsyn (Vln.) Maxim Rysanov (Vla.) Boris Andrianov (Vlc.1) Jens Peter Maintz (Vlc.2)
Spectrum Concerts Berlin: Boris Brovtsyn (Vln.) Boris Andrianov (Vlc.) Eldar Nebolsin (Pf.)