Poison, Eighteenth Hour, 7 p.m. Aug. 7, Wind Creek Steel Stage, PNC Plaza, SteelStacks. Gates open at 6 p.m. Poison pre-concert 1980s Trivia Contest. Poison is an American glam metal band formed in 1983 in Mechanicsburg, Cumberland County. With an all original line-up, Poison (Bret Michaels, C.C. DeVille, Bobby Dall and Rikki Rockett) will perform its catalogue of hits, including the Billboard Hot 100 No. 1 hit single “Every Rose Has Its Thorn,” and other Top 40 hit singles from the 1980s and 1990s, including “Talk Dirty to Me,” “I Won’t Forget You,” “Nothin’ but a Good Time,” “Fallen Angel,” “Your Mama Don’t Dance,” “Unskinny Bop,” “Something to Believe In,” “Ride the Wind” and “Life Goes On.” The band’s breakthrough debut album, the multi-platinum, “Look What the Cat Dragged In,” was released in 1986, followed by “Open Up and Say ... Ahh!,” which was certified five times platinum in the United States. The group’s third consecutive multi-platinum and best-selling album was “Flesh & Blood.” In the 1990s, the band released a live album, “Swallow This Live.” The band has sold 16 million records in the United States and more than 50 million albums worldwide.