Biography
There are at least two artists with this name:
1) A latin girl group from Albuquerque New Mexico, has become a beloved group throughout the United States, Mexico, Argentina, Guatemala, Puerto Rico, Paraguay, Costa Rica, and Spain. These four sisters are a group who, united, work to win the love of their fans. By constantly being innovative when interpreting songs, and making their live performances a place where everyone can feel their free spirit, Sparx has attracted thousands of fans.
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2) A melodic hardcore band from Lima, Perú.
http://sparxbanda.bandcamp.com/
Biography text from Last.fm, available under CC BY-SA.