The singer was one of the founding members of the Billboard chart-topping group.Rudolph Isley, a founding member of the iconic trio the Isley Brothers, died Wednesday. He was 84. The cause of death is currently unknown, but his brother Ronald confirmed the news in a statement to Billboard: “There are no words to express my feelings and the love I have for my brother. Our family will miss him. But I know he’s in a better place.” After years of singing gospel in the church, Rudolph formed the Isley Brothers with his siblings Ronnie, O’Kelly and Vernon in 1954 when...