Concertgoers heading to Live at the Marquee on Tuesday evening were informed just four hours before doors were due to open that James Arthur's show had been postponed due to illness. Organisers said the concert will be rescheduled, with a new date to be announced. The show was due to begin on Tuesday evening, with doors scheduled to open at 6.30pm. Essex singer-songwriter Ruby Poole was due to perform at 8pm, before James Arthur was set to take to the stage at 9pm.