Here's an early rave-up from '57—dig the reckless intro:
I was fortunate to have witnessed Sleepy hard at work onstage at Fitzgerald's in Berwyn, Illinois on July 3, 2013 for the American Music Festival. One night of many:
Chris Willman's obit in Variety is here.
I'll add that Peter Guralnick's profile of LaBeef in Lost Highway: Journeys and Arrivals of American Musicians is a must-read for anyone interested in La Beef's life and the desire and struggle to make and play music for a living against great and growing odds. I'm a fan of all of Guralnick's writing, but this profile of an artist toiling in obscurity is my favorite piece of his, and a formative influence on my writing, in particular Sweat: The Story of the Fleshtones, America's Garage Band. I wrote a little bit about the piece here.
Top photo via Arkansas Living