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.
Pentatonix (or PTX) is an American a cappella group consisting of five vocalists originating from Arlington, Texas.The members in this group are Avi Kaplan, Scott Hoying, Kirstin Maldonado, Kevin Olusola, and Mitch Grassi.Their work, which is mostly in the pop style, consists of covers of existing songs, sometimes in the form of medleys, along with original material.n the same year, the group released their fourth EP, PTX, Vol. III, and two full-length studio albums, PTX, Vols. 1 & 2 (a compilation album released in Japan, Korea and Australia) and their second holiday release, That's Christmas to Me.