Writer: F. Brooks - Public Domain, Traditional Welsh Song - Public Domain / Adap. Marcus Viana, German Melody Sec. XV - Public Domain / Adap. Marcus Viana
Composer: L. H. Redner - Public Domain - Adaptação Marcus Viana, Traditional Welsh Song - Public Domain - Adaptação Marcus Viana, German Melody Sec. XV - Public Domain - Adaptação Marcus Viana