Indie Indie Indie is a free-entry, all-day celebration of London’s thriving grassroots music scene, taking over Signature Brew Blackhorse Road with wall-to-wall live music, DJs, great beer and chaotic summer energy. Bringing together the capital’s most exciting emerging artists, cult favourites and future headliners, it’s a day built for music lovers who want to discover their next favourite band before everyone else does.