Continuing our look at "Outsider Music"...William "Shooby" Taylor (aka "The Human Horn"; 1929-2003) was famous for scat singing over records.
His technique is idiosyncratic to say the least. Here's Shooby's unforgettable version of "Over The Rainbow".
The only known performance of Shooby performing live (viewable here) displays his inate ability to captivate an audience.