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.
Here are the backing tracks you can use to improvise with the Aeolian mode or the natural minor scale. As the notes of the minor pentatonic scale are all notes in the Aeolian mode, you can also practice your minor pentatonic improvisation over these tracks as well. The tracks are provided by Jamplay from their backing track library which contains over 700 guitar backing tracks.