Zingaresca, a duo dedicated to Russian Romani (Gypsy) music, will perform at Rockport Opera House, 6 Central Street, at 7 p.m. on Thursday, September 19. Zingaresca consists of Oleg Timofeyev (left), an authority on Russian guitar tradition, and seven-string guitar virtuoso Vadim Kolpakov. The Russian seven-string guitar tradition is different from its Spanish equivalent in terms of tuning, technique and repertoire. The duo has recorded three CDs. For advance tickets, $25, visit zingaresca.com or call the box office at 230-0055 until September 18. Tickets at the door will be $30.