The popularity in the most recent years, I think, can be directly correlated to YouTube. If you’re not familiar with Lindsey Stirling at all, please look her up and you’ll see, by far, the most popular violinist for the younger generation. She is a rockstar and she isn’t known for tradition classical styles. Young players want to be like her. Another is Kevin Olusola, who first gained attention as the beatboxing cellist. He is very well-trained classically, but he mixed together genres in a new way. He’s also now a member of the A Capella super group, Pentatonix.