On 2027-05-15 Razzmatazz in Barcelona will erupt as Barón Rojo and Muro share the stage for a high-voltage concert that promises decades of iconic Spanish heavy metal delivered with raw energy and singalong choruses. Fans will experience thunderous riffs, driving rhythms, and charismatic performances as the two bands revisit classic anthems and breathe new fire into their catalogues, while the historic industrial-chic rooms and multiple stages of Razzmatazz provide an intimate yet electrifying setting. The evening is designed for longtime followers and newcomers alike, offering mosh-friendly sections, moments of crowd-wide chorus, and the communal intensity that only a live rock show can provide. Advance tickets are expected to sell quickly, so attendees are encouraged to secure their places early to guarantee entry to one of Barcelona's most anticipated metal nights of the year.