"I've heard it said that it takes 10 minutes to learn the harmonica, but 20 years to master." Brad Hatfield: Truly honest expression! Singer, songwriter and harmonica player Brad Hatfield is a Cincinnati, Ohio blues artist. Born from the blood of a blues man, he's been bathed in the blues since birth. He picked up the guitar at the age of 10. But at the age of 25, his tragedy to triumph story beg…