B-Side Festival returns to Molina de Segura, Spain on September 4-5, 2026, showcasing a stellar lineup of rock, indie, alternative, and Spanish indie rock artists. The festival is headlined by acclaimed acts Love of Lesbian, Rigoberta Bandini, and Crystal Fighters, alongside rising talents including Sexy Zebras, Niña Polaca, and Alcalá Norte. With 12 artists spanning indie pop and alternative rock genres, B-Side Festival offers an immersive weekend celebrating Spain's vibrant independent music scene. The two-day event features both established Spanish indie rock favorites and emerging artists like Dueme Amberes, Kamer Twee, and Vuelve Abril.