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.
Scottâs is a little more R&B. Itâs kind of a melting pot of different genres. A pentatone is defined as âa gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted.â Please say something about the choice of Pentatonix as the name of the group. The pentatonic scale is a scale thatâs very popular in R&B, soul and pop music.