It is very beautiful choral music. It was sacred music, because one Italian priest delivered it from one Italian composer Gregorio Allegri at 1630`s. In this song goes soprano to sixth octave C. Ps more from this song: en.wikipedia.org/wiki/Miserere_(Allegri) Ps more from this composer: en.wikipedia.org/wiki/Gregorio_Allegri
Just press buttons to hear and not music.
