Notting Hill Carnival may be cancelled for the second year running, and swathes of people may not be congregating to dance together for a while, but theatre can transport us anywhere. J'Ouvert at the Harold Pinter Theatre has audiences imagining they're partying all night long.Set at the world-famous carnival, J'Ouvert (pronounced like duvet) follows three friends as they find their personal space in a world that should be theirs. Yasmin Joseph's carnival play premiered at Theatre503 in 2019,...