At the beginning of the 20th century, the singing-choir movement became highly popular in Mallorca. The general explanation about it, as in the others Catalan Countries, has followed the common idea that this movement was divided among republican/laborist choirs, related to Josep Anselm Clave model, or regionalist/nationalist groups, assigned to the Orfeó Català. However, the discovering of unknown files of the one most prominent catholic and conservative trade union in the island at the time has allowed us to redefine that division and rewrite the choir’s historical differences not in the sense of the regionalism, but rather in terms of conservatism and progressivism