Diagnosed with schizophrenia in 1989 , Willis began a career as an underground singer-songwriter in the outsider music tradition , with songs featuring his bizarre , humorous and often obscene lyrics sung over the auto accompaniment feature on his Technics KN electronic keyboard .
Willis began a career as an underground singer-songwriter in the outsider music tradition , with songs featuring his bizarre , humorous and often obscene lyrics sung over the auto accompaniment feature on his Technics KN electronic keyboard .