1979) and Turn Back (January 1981) were less successful, but Toto IV (April 1982) was a multi-platinum Top Ten hit, featuring the number-one hit "Africa" and the Top Tens "Rosanna" (about Lukather's girlfriend, movie star Rosanna Arquette) and "I Won't Hold You Back." At the 1982 Grammys, "Rosanna" won awards for Record of the Year, Best Pop Vocal Performance, and Best Instrumental Arrangement With Vocal; and Toto IV won awards for Album of the Year, Best Engineered Recording, and Best ...