Rock band STYX kicked-off the City National Grove of Anaheim’s 20th-anniversary celebration on Friday, Jan. 18 with a sold-out audience at the Southern California venue. STYX was the debut headliner at the City National Grove of Anaheim (formerly named Sun Theatre) back in 1999. The band’s Jan. 18 performance marked their 11th return to the venue in 20 years. Seen with the band is Amplify writer Taylor Mims.