Since the formation of the world renown Clark Sisters in 1973, Twinkie has been the leader, principal songwriter, and producer of the gospel group. The group achieved their biggest success with the mainstream, crossover hit “You Brought the Sunshine (Into My Life)” in 1983, which peaked within the top 20 of Billboard’s Gospel and Hot R&B/Hip-Hop Songs charts and hit a top 30 peak on the Hot Dance Club Play chart. Other hit songs include, “Is My Living in Vain”, “Expect Your Miracle” and “Jesus is a Love Song”, all written by Clark. Receiving their first Grammy nomination at the 26th Annual Grammy Awards for Sincerely (1982) in the Best Soul Gospel Performance by a Duo or Group category, they received subsequent nominations for their follow-ups, Heart & Soul (1986) and Conqueror (1988), for Best Soul Gospel Performance by a Duo, Group, Choir or Chorus at the 30th and 31st Annual Grammy Awards.