I B S More Condition_symptoms How Can I Become More Knowledgeable About Older R&B Music?

How can I become more knowledgeable about older R&B music? - i b s more condition_symptoms

I like to hear the greatest R & B "back to the roots and start from there. As a musician, I have the blues, starting with current bands and artists such as Eric Johnson and John Mayer to pursue his musical roots and musical roots of his musical roots , etc., etc. area. However, I do not know exactly find what I am looking for R & B. I want well-versed in classical and RB songs and more contemporary. suggestions?