Maxim Lando was the soloist with the Princeton Symphony Orchestra over the past weekend at Richardson Auditorium. The 23-year-old artist played Tchaikovsky’s Piano Concerto No. 2 to packed houses on Saturday night and Sunday afternoon, November 8 and 9, under the baton of PSO Music Director Rossen Milanov. Also on the program were works by Rossini and Mendelssohn.