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.
Perhaps not surprisingly to longtime fans, they've succeeded, and cuts like the exuberant Sing and the slinky Ref are infectious, dance-ready numbers that will most likely appeal to most fans of contemporary pop music. Also working in Pentatonix's favor is their ability to trade lead vocal parts from song to song. This means that the group can move between genres without sacrificing strength, leaning on the talents of one member for a gospel-tinged song, and another for something EDM.