Paradise Theatre is the tenth studio album by the American rock band Styx, released on January 16, 1981, by A&M Records. It was the band's most commercially successful album, peaking at #1 for three weeks on the Billboard 200 in April and May 1981 (non-consecutively). It was also the band's fourth consecutive album to be certified triple-platinum by the RIAA. No. 1 on the Billboard 200 for 2 weeks, from the issue of April 4, 1981. Wiki link