Everyone loves to show off a bit at Frieze, and extrovert visitors have been taking full advantage of the karaoke machine on A Gentil Carioca’s stand, provided by the Rio-based artist’s collective Opavivará! At yesterday’s preview, Frank Sinatra’s New York, New York seemed especially popular—and for those feeling a little shy, another Opavivará! work takes the form of a cocktail trolley laden with Aperol, vodka, whisky and rum, with a juicer attached. But any drink-dispensing is strictly DIY, with a gallery staffer keen to emphasise to thirsty collectors that “I’m not a barman”. And to drive the point home, a washing-up station is parked nearby to deal with any accidental spillages. For more Frieze gossip, click here.