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
My Heart Belongs to Daddy My Heart Belongs to Daddy "My Heart Belongs to Daddy" is a song written by Cole Porter, for the 1938 musical "Leave It to Me!" which premiered on November 9, 1938. It was originally performed by Mary Martin, who played Dolly Winslow, the young "protégée" of a rich newspaper publisher. In the original context, Dolly is stranded at a Siberian railway station, wearing only a fur coat, and performs a striptease while singing the song. Surrounded by eager Siberian men, she says that since she has met "daddy", she will flirt with other men, but won't "follow through". "Daddy" is