Vienna-based musician and leading fortepianist of his generation returns to Camden Opera House, 29 Elm St. Maltz specializes in Viennese Classicism — especially the works of Haydn, Mozart, and Beethoven, performed on the Viennese fortepiano of their time. An esteemed educator, he provides insight on the Viennese sound, culture, philosophies, and performance practices of the Classical era. Tickets are $32 in advance, $36 day-of-show, via camdenoperahouse.com. For wheelchair and other accessible seating options, call 236-3154.