4 a.m. is the time for that defining phone call: the phone call that you can only make to a true friend. That phone call that is about something inside of you that has died, or that has come to life. That call you make when you feel you have driven off someone you love, or have been driven off. Or when you need to make bail.
Among the legends of bluegrass, there are few living with accomplishments that equal Dr. Ralph Stanley.
The Milk Carton Kids are wise beyond their years, dispensing a good bit of life advice in their songs.
Every hipster worth their weight in sock hats has heard David Bromberg. After all, the distinct opening notes from his classic "Sharon" serve as the main loop which makes up "Johnny Ryall" from the hip-hop classic "Paul's Boutique" by the Beastie Boys.