There is more than one artist with this name:
1) The Golden Dawn was an American psychedelic rock band. The Golden Dawn released its only album "Power Plant" in 1968.
2) The Golden Dawn were an indie pop/indie rock band from Glasgow, Scotland, formed in 1986, who released two 7" singles on Sarah Records.
3) The Golden Dawn is a London based Psychedelic duo. Their music fuses folk, blues, jazz, and country, tribal, world and many other influences. They have released their self-produced demo album called ''Changes In Mind'' under the creative commons license.