Summer Series takes place in London, England from July 16-26, 2026, showcasing a diverse lineup of rock, neo soul, soul, alternative, and indie artists. The festival features notable headliners including The Flaming Lips, Lightning Seeds, and Black Country New Road, alongside rising acts like Thee Sacred Souls and Agnes Obel. With 11 performers spanning multiple genres, the 11-day event brings together artists from the United States, United Kingdom, and Denmark. Music fans can expect a mix of established alternative rock acts and contemporary neo soul performers in this comprehensive summer music festival.