SFDK (Siempre Fuertes De Konciencia) is a renowned hip hop group from Seville, Spain, formed in 1992 by Zatu and his school friends. Initially starting with a demo tape, the group gained momentum after Acción Sánchez joined the duo. Over the years, SFDK established their own record label, Zeroporsiento, and released influential albums such as "Siempre Fuertes" and "2001: Odisea en el lodo," solidifying their position in the Spanish hip hop scene with a unique blend of hardcore and accessible styles. Their dedication to their craft earned them commercial success, including a Gold Album for their 2005 release.