Dennis DeYoung, born February 18, 1947, is a solo pop musician but is better known as one of the lead vocalists of the band Styx. DeYoung grew up in Chicago and got started with the band Tradewinds (1963). This band later renamed itself TW4 (1968), then eventually Styx. The band members changed a few times as did the music label. hE was one of ...