K-Paz de la Sierra is a Duranguense band that was formed in Michoacan, Mexico by Mexican natives. The group was formed on Christmas Eve of 2002 by some departing members of Montez de Durango. The company Disa Records gave them the opportunity. K-paz de la Sierra was well known in the U.S. in only the first two months. Within the first three hours that the CD came out, 35,000 copies were sold in Chicago. They debuted in 2003 with the CD titled Arrasando Con Fuego and the lead single Jambalaya. Some of their biggest hits are "Como Un Tatuaje" "Mi Credo," "Volveré," "Con Olor A Hierba," "Pero Te Vas A Arrepentir," "Procuro Olvidarte" (Hernaldo Zúñiga's first international hit), and "Y Aquí Estoy."