Dobro Master Jerry DouglasThe 14-time Grammy winner talks about his work with Alison Krauss and Elvis Costello, and explains by bluegrass is usually played at the wrong speed. Shooter JenningsShooter Jennings may be the son of a country music legend but what he has in his musical palette may surprise you. Brad Whitford of AerosmithThe Aerosmith guitarist on the band's most under-rated song, and what he thought when Steven Tyler rhymed Tallahassee with sassafrassee. Buzz CasonBuzz has written songs recorded by The Beatles, Pearl Jam, Brenda Lee, U2 and Gloria Estefan. Sara Watkins of Nickel CreekNickel Creek fiddle player Sara Watkins talks about touring with Jackson Browne and coming into her own as a songwriter.