The first puzzle is COMPLETE!@elliegoulding , @TinieTempah, @kendricklamar, @coldplay, @OneRepublic & @ladygaga are correct answers but what links them all and how do they lead us to the six digit code?

👉 https://t.co/UZP0t5mPPP#R1EscapeRoom pic.twitter.com/i0uXg1lDhH

— BBC Radio 1 (@BBCR1) February 18, 2019