There are multiple artists named Helicon:

1) Helicon was a power metal band from Aachen, Germany, formed in 1986.

2) Helicon is an experimental psychedelic rock band from Glasgow, Scotland, UK, formed in 2009.
Helicon was formed by brothers John-Paul and Gary Hughes (both guitars/vocals), and Laura O'Brien (keys/violin). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.