Appearing on Expo Plaza Stage Saturday will be Mark 3, along with Amarhja and Pris Bros between noon and 5 p.m. Mark 3 is a power-rock quartet based in Oroville, CA. The band plays classic rock cover songs (AC/DC, Green Day, The White Stripes, Weezer, Nirvana and more) along with original music. Members: Garrett Hartman (drums, vocals); Will Hartman (guitar, vocals); David Neilsen (guitar, drums, vocals); Reece Thompson (bass, vocals). A Classic Car Show will be held from 1 to 4 p.m., Fair Idol, a Train Show and of course Midway of Fun Carnival with Western Heritage Rodeo starting at 5 p.m.