 Talented vocalists have been singing these songs far beyond Dorsey's expectations.The method, dynamics and power behind the songs are different, but God's message is delivered each and every time.Dorsey, who had once composed for and played piano behind blues giants Tampa Red, Ma Rainey and Bessie Smith, worked hard to develop this new music, organizing an annual convention for gospel artists, touring with Martin to sell sheet music and gradually overcoming the resistance of more conservative churches to what many of them considered sinful, worldly music.