This summer, graduate student Suhail Yusuf Khan and his band Yorkston Thorne Khan are performing in music festivals around the world. The band is comprised of Khan, a sarangi violinist and a vocalist of Indian classical music; James Yorkston, a folk singer and guitarist; and Jon Thorne, a jazz bassist. Yorkston, Thorne and Khan performed at the Glastonbury Festival June 25 in Somerset, England. Afterwards, the group was mentioned in The Telegraph's "10 highlights" article written by Alice Vincent: While it's easy to stumble upon a whole new field or an excellent hidden bar at Glastonbury, the best festivals give you a…