Progeria, also known as Hutchinson-Gilford progeria syndrome (HGPS), is a rare genetic condition that causes a child's body to age fast.Most kids with progeria do not live past the age of 13. The disease affects both sexes and all races equally.rogeria, also known as Hutchinson-Gilford progeria syndrome (HGPS), is a rare genetic condition that causes a child's body to age fast.
Pentatonix is made up of Avi Kaplan, a most distinctive bass; Kevin Olusola, the vocal percussionist or the beatboxer; Kirstie Maldonado, the mezzo soprano and only girl in the line-up; Mitch Grassi who does both tenor and counter-tenor voices; and Scott Hoying, the baritone who sings lead most of the time.
In constructing their instruments, Aboriginal Australians use the resources at hand. Most of their instruments fall into the idiophone class, where instruments consist of two separate parts which are stuck together to give a percussive sound. Throughout Australia, this kind of instrument takes many different forms.Of the membraphones, or skinned drum types, there is only one example. There are no chordophones, or string instruments; however in the aerophone, or wind instrument class, one example provides an outstanding exhibition of musical ingenuity.o the Australian aboriginal, music is understood naturally and is an integral part of life. In the west, by contrast, music tends to be separated from life. For example, a Western music student must learn to understand a composed piece of music, like a Beethoven symphony or one of Bach's works.