ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪftiːn, ðɪ ɪlˈɛvənθ lˈaɪn hæd ðə fˈɜːst ɹˌɛdʒɪmˈɛntəl bˈænd ʌvðɪ ˈɑːɹmi ʌvðɪ ˈændiːz, θˈæŋks tə ðɪ ˌiːkənˈɑːmɪk səpˈoːɹt ʌv ɹˌɑːfaɪˈɛl vˈɑːɹɡəz, ɐ ɹˈæntʃɚ fɹʌm mɛndˈoʊzə.
In 1815, the 11th Line had the first regimental band of the Army of the Andes, thanks to the economic support of Rafael Vargas, a rancher from Mendoza.