Record stores in St. Petersburg, Russia

[XB-70 Valkyrie]

Hope someone can help me out; we are leaving in a few weeks. We will also visit Novgorod.

I am hoping to find some CDs and LPs, especially of my favorite Russian musicians (Oistrakh, Richter, etc.), esp. Russian pressings on Melodya, etc.

Can anyone recommend any stores? Do many Russians still listen to and buy LPs? Are there any to be found in Russia? (I assume everyone under 35 has their iPODs loaded with garbage, but I'm talking older generation mostly here).

Thanks!