Purnaprajna Bangere is both a brilliant mathematician and a highly-respected violinist trained in the classical violin music of southern India. David Balakrishnan is a violinist, composer, and member of the Turtle Island String Quartet who lives in the San Francisco Bay Area. In 2017, David spent several months as an artist-in-residence working with Purna in Lawrence, Kansas, home of the University of Kansas. This interview explores their unique musical collaboration that weaves together the classical violin music traditions of southern India with that of Europe and the United States.