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 Divas de Cindy Shea and Downtown Disney's "Tortilla Joe" restaurant. They went on to headline Disney festivals such as the holiday-themed "Viva Navidad". Of his choice to spotlight an all-female mariachi band, Freese said, "I try to give our guests something they won’t see anywhere else. The Mariachi Divas are great performers." In the meantime, the Mariachi Divas were experiencing success as recording artists as well. In 2009, with their album "Canciones De Amor", they made history as the first all-female mariachi band ever to be nominated for a Grammy award; they went on to win the award that year for Best Regional Mexican