{subtitle: Subtitle3}
{title: Title}
{title: Subtitle1}
{subtitle: Subtitle4}
{t: Subtitle2}
{st: Subtitle5}
{language: french}
{language: english}
{by: Author1}
{artist: Author2}
{album: Album}
{copyright: Copyright}
{cover: Cover}
{capo: Capo}
{key: foo: Foo}
{comment: Comment}
{guitar_comment: GuitarComment}
{image: Image}
{partition: Lilypond}