Your editorial about mobile phones in concert halls reminded me of the very strong stance taken by Keith Jarrett, the American jazz and classical pianist, who insisted that no photography was allowed during any of his performances (The Guardian view on phones in concert halls: what engages some enrages others, 19 May). This was expressed before the concert by the promoters and by Jarrett’s manager. Sadly, on many occasions, a flash from a phone in the audience would happen and subsequently either the concert would come to an abrupt end or there would be a lengthy delay before the performance would resume. The wishes of the musician were not respected. I can appreciate the appeal, especially among a younger audience, of wanting to capture a memorable moment, but for me it’s all about putting phones away and being very much present in the music.Bren PointerLondon After 50 years and several hundred gigs and concerts, in 2022 we decided to retire from going to concerts and gigs. We grew tired of people spoiling what should be an enjoyable experience with the use of cameraphones. …