As a tremendous bonus, Denis Matsuev, the 11th International Tchaikovsky Competition winner (1998), was along for the ride and torched the hall with an absolutely stunning Prokofiev Piano Concerto no. 2 in G Minor, but more on that later. Gergiev’s conducting and Matsuev’s playing comprised the main story Friday night. But it was Matsuev who, for a time, stole the show right out from under Gergiev. ...