Janet Jackson's Rhythm Nation 1814 was the best-selling album of 1990 despite not reaching number-one at any point during the year. The album achieved 4 weeks atop the chart during 1989
this game doesn't work because you only know of or remember the ones who had more enduring success. there were plenty of "it girls" who we don't know of because they aren't remembered now. also debbie gibson was already not a thing in 1990. she peaked in like 87 or 88