The Blow-Up Third Birthday Party Iceni, Wl. 9pm-3am; £7 in advance from Blow Up at the Wag on Saturdays; or from Rough Trade, Soul Jazz, Out On The Floor, Rhythm Records or Stargreen. More on the door. The Wag's fave Brit-pop meets weird beats night returns to Mayfair for another birthday mosh-up at this swanky 3 floor club. Expect Nu and old-skool Britpop, '60s R'n'B, funky organ jazz, bongo grooves and loungecore faves. The Blow-Up DJ posse of Paul Tunkin, Andy Lewis, Nori and guests playing their faves. Groovy rating: 10/10.