Maybe The Most Unknown Greek Band Playing Hard Rock Psychedelia In The Seventies Was A Group With An Extremely Puzzling Name Ta Tessera Epipeda Tis Yparxis Or The Four Levels Of Existence To All You Non-Greeks Out There . They Made One LP In 1976 On A Very Small Label Called Venus And In A Very Limited Edition. The Album Almost Immediately Disappeared And Was Never Released Again. Surprisingly The Sound Is Somewhat Akin To That Of Spacemen Three!