charlie patton taught robert johnson. so i know someone who knew someone.ikeek out that. for me, the blues is where i come from, the foundation of every note i have ever hit or will hit. the deepest blues that have ever existed. tavis: the collaboration might look good on paper, but what makes you know it's going to work well in the studio, like for real? >> i think personalities. something that moves around us thathat is bigger than us, brings us to a place in our lives where we can move into who we see ourselves being. charlie and i meet right there in that spot. tavis: so the flipside of that question for you, charlie, how does it feel for you to have these younger cats, people like ben harper, seek you out and want to hang with you, get in the studio with you, after all these years? >> i appreciate it. it's been a long road, and i'm still doing it. it's great to be working with a guy like ben. we just resonate, not only musically, but personally. it's just great to be out on the road laying music, nice to see all the smiling faces with a guy like ben. i