epa10692337 People wear glowing earphones as they watch a huge installation set up in the exhibition 'Processing... 30 years of Sonar' within the Sonar Music, Creativity and Technology Festival, in Barcelona, Spain, 15 June 2023. The music festival marks its 30th anniversary with concerts by Weeknd, Oneohtrix Point Never and Black Coffee, among others, and the congress 'Sonar+' focused on AI technologies and its use in music. EPA/Alejandro Garcia