The following three scores were originally composed for soprano castratoes, but in modern times are rearranged for other voice types (usually soprano, or mezzo-soprano).
(L) Handel - Lascia Ch'io Planga (Leave Me to Weep)
(Adagio has been commonly attributed to the 18th-century Venetian master Tomaso Albinoni, but actually composed by 20th-century musicologist and Albinoni biographer Remo Giazotto, purportedly based on the discovery of a manuscript fragment by Albinoni.)
- in the trailer of Michael Jackson's Smooth Criminal album
It is a cappella by a group of South Africans
called Ladysmith Black Mambazo.
Decani (/dɪˈkeɪnaɪ/; Latin: of the dean) is the side of a church choir occupied by the Dean. (In English churches, this is typically the choir stalls on the south side of the chancel.)
The opposite side is known as Cantoris (/kænˈtɔːrɪs/; Latin: of the cantor), the side of a church choir occupied by the Cantor. (In English churches this is typically the choir stalls on the north side of the chancel, although there are some notable exceptions.) - Wiki
Been a “butterfly” on your own electronic dance pad at home?
(web photo)
Standardized pitch
The letter-name “A” is given to the pitch of 440 cycles per cycle, which is produced by a key just to the right of the middle of the piano keyboard. This is a standard universal measure of pitch.