Led Zeppelin lead singer, Robert Plant, named him as one of his earliest influences. This is episode 16 of Caffe Lena : 60 Years of Song. Thank you to Sarah at the Caffe for compiling the list of artists and songs for this feature. Sleepy John Estes, with his distinctive "crying" vocal style found his way to Caffe Lena just a few years before his death in 1977 . Interestingly, in the 1960's, many blues revivalists thought him long dead in part because he sounded very old, even in his early