10cc's second album was the next phase in what guitarist Eric Stewart called the band's "masterplan to control the universe. The Sweet, Slade, and Gary Glitter are all very valuable pop," he proclaimed, "but it's fragile because it's so dependent on a vogue. We don't try to appeal to one audience, or aspire to instant stardom, we're satisfied to move ahead a little at a time as long as we're always moving forward." Sheet Music, perhaps the most widely adventurous album of what would become a wildly adventurous year, would more than justify that claim….