BBC Radio 1 been presented by various YouTubers such as Jim Chapman and Hannah Witton. In January 2015, Clara Amfo replaced Jameela Jamil as host of The Official Chart on Sundays (4pm7pm) and in March, Zane Lowe left Radio 1 and was replaced by Annie Mac on the new music evening show. In May 2015, Fearne Cotton left the station after almost 10 years. Her weekday morning show was taken over by Clara Amfo. Adele Roberts also joined the weekday schedule line-up, hosting the Early Breakfast show. In July 2015, The Official Chart moved to a Friday from 4pm to 5:45pm, hosted by
BBC Radio 1's Big Weekend was announced in April 2016. Twenty One Pilots had their set cut short due to "safety concerns". Singer, Tyler Joseph, climbed a mast whilst singing "Car Radio", which prompted BBC officials to appear to cut his microphone off, and ask bandmate Josh Dun to stop drumming. They didn't continue with their set and left the stage. On 23 January, Nick Grimshaw announced on the Radio 1 Breakfast Show, that the 2015 event would be held at Earlham Park in Norwich, Norfolk, next to the University of East Anglia, taking place on Saturday 23 and Sunday 24 May. On 31 March,