mutation {
  CreateAudioObject(
title: "Rossinyol - webpage"
        contributor: "www.upf.edu"
        creator: "trompamusic.eu"
        source: "https://www.cpdl.org/wiki/index.php/Rossinyol"
        format: "text/html"
        name: "Rossinyol"
        description: "Traditional choir piece"
        encodingFormat: "audio/mpeg"
        embedUrl: "https://example.com/embed/rossinyol"
        contentUrl: "https://example.com/audio/rossinyol.mp3"
        inLanguage: "ca"
        date: { year: 1972 }
        language: en
) {
identifier
}
}