St. Louis Sax Player Oliver Sain was one of the most influential musicians to come out of St. Louis. P. Diddy sampled one of his songs with Biggie Smalls and Jay Z. Sain Protege and outstanding musician in his own right Al Caldwell talks about how Oliver influenced him as a musician and producer. The second of a three-part interview. Caldwell gives us the St Louis Breakdown on the late great Oliver Sain.