Biography
There are multiple artists named Helicon:
1) Helicon was a power metal band from Aachen, Germany, formed in 1986.
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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).
Biography text from Last.fm, available under CC BY-SA.