The band's show at T-Mobile Arena on Friday will be their first Vegas concert since 2011. System's stop here is one of five U.S. shows the band will play this year. The slew of concerts marks the band's first American gigs since 2016. Local connection: Drummer John Dolmayan owns comic book shop Torpedo Comics on the city's southwest side. Though the band hasn't put out of a new record in 13 years, bassist Shavo Odadjian told the R-J that "We are actively writing."