He joined Pat Benatar for her debut album, In the Heat of the Night, in 1979. He primarily played rhythm guitar with Benatar and occasionally co-wrote songs. Sheets remained part of Benatar's band for 1980's Crimes of Passion and 1981's Precious Time. Precious Time included the song “Fire and Ice,” which Sheets co-wrote with Benatar and Tom Kelly. “Fire and Ice” peaked at number 2 on the US Mainstream Chart, number 4 in Canada, and number 17 on the US Billboard Hot 100. “Fire and Ice” won Benatar a Grammy in 1982.
