What sends shivers down your spine when you play it on your system?

Art Pepper “Patricia” long version
Brubdck Quartet “Blue Rhondo” carnigie hall version 
John Coletrain “Summertime”
Sonny Stitt “Cleveland Blues”
Dr Lonnie Smith  “Backtrack”
...............

@aewarren Who is "John Coletrain"? He was a famous typo who played the saxamphone. Bebop a rooney.

He's often confused with John Coletrain who drove a white Jaguar E type and maybe is notable for a few other things.. Go ask Alice, I think she'll know.