the activation of a fire suppressant system at the premises of Red Bee Media on 25 September 2021. It was restored on 7 October 2021, while a simulcast of it simultaneously launched on 4Music, replacing The Box.

On 13 June 2022, Channel 4 announced that Box Hits' channel slot would be replaced with 4Music on 29 June 2022. This was part of a channel reshuffle where E4 Extra would take over 4Music's old slot, while 4Music would transition