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When something from the past becomes suddenly relevant and cool, this period usually lasts a few days at best before it's ruined by becoming too mainstream and used by everyone.
Most recent example of Relevetro is the song "dont stop believin'" by Journey, which became cool after being used in Family Guy, but has since been ruined by everyone from Fall Out Boy to the cast of Glee
by Pete-ay! March 19, 2010