Sara Ullrika Watkins is an American singer-songwriter and fiddler. Watkins debuted in 1989 as the fiddler of Nickel Creek, the progressive bluegrass group she formed with her brother Sean and mandolinist Chris Thile. In addition to singing and fiddling, Watkins also plays the ukulele and the guitar, and also played percussion while touring with the Decemberists. In 2012, she and her brother played with Jackson Browne during his "I'll Do Anything" acoustic tour.

Nickel Creek is an American bluegrass band consisting of Chris Thile (mandolin), and siblings Sara Watkins (fiddle) and Sean Watkins (guitar). Formed in 1989 in Southern California, they released six albums between 1993 and 2006. The band broke out in 2000 with a platinum-selling self-titled album produced by Alison Krauss, earning a number of Grammy and CMA nominations.