Sara Watkins first came to prominence as a member of Nickel Creek, the progressive bluegrass outfit that also featured her brother Sean and childhood friend Chris Thile. Once the group gained momentum in Americana circles in the 2000s, Watkins began playing sessions, appearing on records from rockers and country artists alike, establishing herself as a presence outside of the group. Sara Watkins launched her solo career in 2009, after Nickel Creek went on an indefinite hiatus, and from that point on, she moved easily between the folk and adult alternative scenes, a versatility...