Billy Squier in the 80's:

1981: releases "Don't Say No"…102 weeks later, lp is still in the US top ten, spawning three hit singles and launching Squier's career in earnest…tours with Foreigner, Journey, and Pat Benetar before headlining his first string of shows at year's end.
1982–1983: "Emotions In Motion" released in conjunction with major States tour with Queen…lp is top 5…Squier tours for nine months thereafter…brings Def Leppard to US, helping them break "Pyromania": "The reaction to Squier was a set-long, deep-throated roar of the kind usually only heard at Springsteen shows."
1984: produces "Signs of Life" with Jim Steinman…lp is top ten…tour follows
1985: spends two months in Asia…first helicopter ascent of Mount Everest…begins work on "Enough is Enough" with Peter Collins
1986: "Enough…" is completed after nearly a year's work…Freddie Mercury contributes to two songs in London…following a surprising lack of support from Capitol, decides not to tour
1989: long-delayed release of "Hear and Now"… tour of US markets