British pop rock band The 1975 will be the first headliners to grace the Glastonbury Festival’s Pyramid Stage this year when they perform on Friday evening.Made up of four school friends, the group, known for songs including Chocolate, Someone Else and About You, is comprised of singer Matt Healy, bassist Ross MacDonald, guitarist Adam Hann, and drummer George Daniel.The five-day celebration of music and performing arts, which opened its gates on Wednesday, will also see headline performances from veteran rocker Neil Young and his band the Chrome Hearts, and US pop star Olivia Rodrigo.The BBC confirmed on Thursday that Young’s Saturday Pyramid Stage set will not be broadcast live “at the artist’s request”.This year’s line-up features a number of acts listed as TBA, as well as a mysterious act called Patchwork, which will take to the Pyramid Stage on Saturday.Among the music stars rumoured to be performing a secret set is New Zealand singer Lorde, whose fourth-studio album, Virgin, is set for release on Friday.The pop star posted a picture of the Woodsies stage to her Instagram account on Thursday, fuelling speculation that she could be the act listed as “TBA” who will be performing at 11.30am.Earlier in the month, she told BBC Radio 2 that she is “pretty keen” to see if she can “pull some strings” and make an appearance at this year’s festival.Other Friday performers include: Irish singer CMAT; hip-hop star Loyle Carner; rock band English Teacher; indie band Wet Leg; and Canadian star Alanis Morissette, who will take to the Pyramid Stage after a TBA act which will be performing at 4.55pm.Festival goers can expect a clear morning and temperatures reaching the mid 20s centigrade, according to the Met Office.Spokesman Stephen Dixon told the PA news agency: “Friday should start relatively sunny, with temperatures reaching into the mid-20s. However, there will be a touch more cloud later in the day and into the evening.”Friday’s line-up of events also includes a Q&A featuring