Neo-bluegrass group Crooked Still combines four musicians with distinguished backgrounds and connections. Singer Aoife O'Donovan, a graduate of the New England Conservatory, is also a member of the Wayfaring Strangers. Cellist Rushad Eggleston, the first string student admitted to the Berklee College of Music on a full scholarship, also performs with Fiddlers 4 and Darol Anger's American Fiddle Ensemble while also leading his own Wild Band of Snee. Banjo player Greg Liszt, a Ph.D. candidate in biology at the Massachusetts Institute of Technology, also plays with the Wayfaring ...