The Plastic People of the Universe (PPU) is a rock band from Prague, Czech Republic. It was the foremost representative of Prague's underground culture (1968–1989). This avant-garde group went against the grain of the Communist regime and due to its non-conformism often suffered serious problems such as arrests. Interest in the band was rekindled in 2006 thanks to a new play, Rock 'n' Roll by Tom Stoppard, in which two of their recordings are featured. They are also playing a few songs live in Czech performances in the Czech National Theatre. The play's characters also discuss at length the music of the Plastics and its effects on Czech society. The Plastics performed in London for the first time in January 2007 with Turnová on bass.