PHILADELPHIA " When Philly artist Amir Bey Richardson first uploaded his rap songs online in 2010, he was told his music was "too corny" to garner an audience. "I definitely had friends who encouraged me, but I had other friends who used to call it 'bus driver rap,'" Richardson said. "Or they said, 'Too many people rap. Get out of here.'" Thankfully, he didn't. Today, Richardson is the go-to ...