Festival: Bloodstock Open Air.
What: the logo
On who: unknown.
The Bloodstock Open Air festival is a relatively new open air metal festival, and it is annually held in Derbyshire, UK. It started as an indoor festival, but moved outdoors in 2005 and has been growing ever since.
Check out their line-up for this years edition at www.bloodstock.uk.com.
Source : Bloodstock Open Air Facebook