Pianist Misha Dichter will join the Rochester Philharmonic Orchestra, conducted by Christopher Seaman, at 8 p.m. on Nov. 21 and 23 at Eastman Theatre, to perform Beethoven's “Piano Concerto No. 3” and Elgar's “Symphony No. 2.” Tickets are $16 to $46. A pre-concert chat will begin at 7 p.m.