As a warm, candlelit glow illuminated the stained-glass window at Kynett United Methodist Church in Beach Haven, the nostalgic sound of ABBA songs, reimagined by a string trio, filled the chapel.

The unique concert was a “juxtaposition of art forms,” as violinist Sam Gray put it. Fusing hundreds-of-years-old classical traditions with modern pop allows audiences to be exposed to different styles of music while still maintaining an element of familiarity, and to connect with music in a memorable…