Maine’s Pre-eminent Violin/Piano Duo had to cancel this engagement due to unforeseen circumstances.  Violinist Ronald Lantz of the Portland String Quartet and Pianist Laura Kargul, Director of Keyboard Studies at the University of Southern Maine will offer another of their popular concerts featuring romantic music.  It’s always Valentine’s Day at the Sanford-Springvale Historical Society.  Doors will open at 6:45 and the concert begins at 7:30.