In June 2008, Dmitri Hvorostovsky invited Sondra Radvanovsky to be his guest star in this prestigious Moscow concert series with conductor Constantine Orbelian and the Philharmonia of Russia.
In June 2008, Dmitri Hvorostovsky invited Sondra Radvanovsky to be his guest star in this prestigious Moscow concert series with conductor Constantine Orbelian and the Philharmonia of Russia.