Judging by the popularity of a show like American Idol (particularly the awful auditions), people love to hear a lovely voice (or a terrible one). Here are the best-sounding vocal chords.

Parabolas

(Parody of "Boyfriend" by Justin Bieber)

Riley Wilhoit, Peyton Draper, and Kolos Urbanyi ft. Zora

Love Them Numbers

(Parody of ???)

Sophie Martin and Aimee Hopkins

quadRADics

(Parody of "Heartbeats" by The Knife)

Natalie Windle and Chase Cowan ft. Haley Tucker

The Quadratics Song

(Original Composition)

Savannah Bradley, Andrew Caudill, Kade Goodchild

Quadratic Awesomeness

(Original Composition)

Kenny, Ethan, Jerger