Originál: The Art of Song Vol. 2. Low Voice sheet music. Medium Voice sheet music. Medium-Low Voice sheet music. Voice Solo sheet music. ABRSM.
Preklad: The Art of Song sv. 2. , Malý kužeľ. Malý kužeľ. Low Voice noty. Stredná Voice noty. Stredne nízka Voice noty. Hlas Solo noty.