Song {
    metadata: Metadata {
        title: Some(
            "Amazing Grace",
        ),
        subtitles: [
            "A Hymn",
        ],
        artists: [],
        composers: [],
        lyricists: [],
        album: None,
        year: None,
        key: None,
        tempo: None,
        time: None,
        capo: None,
        sort_title: None,
        sort_artist: None,
        arrangers: [],
        copyright: None,
        duration: None,
        tags: [],
        custom: [],
    },
    lines: [
        Directive(
            Directive {
                name: "title",
                value: Some(
                    "Amazing Grace",
                ),
                kind: Title,
                selector: None,
            },
        ),
        Directive(
            Directive {
                name: "subtitle",
                value: Some(
                    "A Hymn",
                ),
                kind: Subtitle,
                selector: None,
            },
        ),
        Comment(
            Normal,
            "Traditional",
        ),
    ],
}
