Nickel Creek: '21st Of May,' Live On Soundcheck

Hear the entire session and interview: Nickel Creek almost immediately wowed audiences when they burst onto the circuit in the early '90s. A trio of precocious child prodigies -- Chris Thile on mandolin and banjo, Sara Watkins on fiddle, and her brother Sean Watkins on guitar -- Nickel Creek boasted adventurous songs that melded elements of progressive bluegrass and country, classical and jazz, traditional roots and rock, performed with ecstatic virtuosity and youthful liveliness. But afte