Question: What year did an American rock band initially on album-oriented rock charts and later with hit singles written by Kerry Livgren for their 1976 album "Leftoverture", become popular?
Sentence (from "Kansas (band)"): The band has produced eight gold albums, three multi-platinum albums ("Leftoverture", "Point of Know Return", "The Best of Kansas"), one platinum live album ("Two for the Show") and a million-selling single, "Dust in the Wind".
Relevant evidence: No