Who were the Peasall sisters?

The Peasall Sisters are an American bluegrass and Country Music trio composed of sisters Hannah, Leah, and Rachel Peasall. They gained recognition in the early 2000s, particularly for their contributions to the soundtrack of the film "O Brother, Where Art Thou?" where they performed the song "In the Highways." The sisters are known for their harmonies and traditional musical style, often incorporating elements of folk and Americana. They have released several albums and continue to perform together.