Which band, OK Go or Mother Mother, has 6 members? Mother Mother
OK Go:  The band is composed of Damian Kulash (lead vocals, guitar), Tim Nordwind (bass guitar and vocals), Dan Konopka (drums and percussion) and Andy Ross (guitar, keyboards and vocals), who joined them in 2005, replacing Andy Duncan. Mother Mother: Mother Mother is a Canadian indie rock band based in Vancouver, British Columbia. Mother Mother:  The band consists of Ryan Guldemond on guitar and vocals, Molly Guldemond on vocals and keyboard, Jasmin Parkin on keyboard and vocals, Ali Siadat on drums, and Mike Young on bass. Mother Mother:  Longtime bassist Jeremy Page left the band in 2016.
Mother Mother