Crooked Still is an American folk band formed in 2001 in Boston, Massachusetts. The group is known for its unique blend of bluegrass, folk, and acoustic music, featuring a mix of traditional and original songs. The band originally consisted of members Aoife O'Donovan, Greg Liston, Tristan Clarridge, and Cory DiGiovanni. The band's sound is characterized by intricate instrumentation, including the banjo, cello, and fiddle, along with rich vocal harmonies. Over the years, Crooked Still has released several albums, gaining a dedicated following and contributing to the contemporary folk music scene.