Voice classification in non-classical music chart that follows. The ranges given below are approximations and are not meant to be too rigidly applied. Some men, in falsetto voice or as a result of certain rare physiological conditions, can sing in the same range as women. These do not fall into the female categories, instead called countertenors within classical music. Within contemporary music, however, the use of the term "tenor" for these male voices would be more appropriate. Teaching voice within non-classical music is an emerging field. Up to this point, voice teachers and voice research have been largely concentrated with classical methods of singing. However,
The Singing Lesson E, F, G, A, & B) becomes the basis for the entire opera. In keeping with Davidson's penchant for musical appropriation, the opera is filled with quotes - of his own works - applied chronologically from latest to earliest. The Singing Lesson The Singing Lesson is a chamber opera in three acts with music and libretto by Matthew Davidson. Based on three short stories ("The Garden Party", "The Singing Lesson", and "The Doll’s House") by New Zealand author Katherine Mansfield, the opera is very unusual in several respects. For instance, the three acts are not connected by a conventional plot,