Additional members included Kym Yancey, Chris Jones (later of Dayton), Gary King, John Wagner, Hollis Melson, and Shawn Sandridge.

It was on "Wanna Make Love (Come Flick My BIC)" that Roger contributed his signature talk box embellishments.

[2] As the first single from the debut LP, Live On, Dream On (1976),[3] "Wanna Make Love" became Sun's first hit, peaking at #31 on Billboard’s R&B chart.

With the release of their second album, Sun Power (pressed on orange vinyl in 1977), Sun sprang into a ten-piece configuration of multi-instrumentalists and vocalists that consisted of Byron Byrd, John Hampton Wagner, Christopher D. Jones, Hollis Melson, Dean Hummons, Kym Yancey, Shawn Sandridge, Bruce Hastell, Gary King and Ernie Knisley.

The album also contained the songs “Conscience” and "Time Is Passing” (sampled by many rap artists, including Dr. Dre)[4] plus the instrumental “We’re So Hot,” which has been used in sports telecasts.