Mariachi was heavily involved in cultural promotion as a way to create a unified Mexican identity after the end of the Mexican Revolution. One of these efforts was the promotion of mariachi as an international symbol of Mexican identity, first with radio and sound recordings and later with films. Mexico built a nationwide radio broadcasting network in the 1920s such as XEB and XEW, which began broadcasting mariachi music as a media production, rather than as a music for social events. This music was already being modified in part due to the advent of sound recording. For example, most son jaliscense
Mariachi El Bronx (2011 album) the outfit's second album offers ironclad reassurance that this is no novelty act." He remarked that the album was a "significant improvement" over the band's 2009 mariachi album "in almost every respect: both the production and the performances are notably crisper and punchier; the arrangements are richer and more complex, full of swirling, soaring strings; the stylistic range is successfully broadened (to emcompass cumbia, norteño and bolero), and the passion and fire on display are simply undeniable. And the songs, in particular, are uniformly strong and memorable". Mariachi El Bronx (2011 album) Mariachi El Bronx is the fifth studio album