It has taken some time to through all the letters to find these gems but it was surely worth all the effort because there are some great music out there that I hope fans of progrock knows about. I will continue with the letter E in the feature "3 important progrock albums"
Enigmatic Calling (2005) PAGANS MIND
Emerson Lake and Palmer (1970) ELP
Even in the quietest moments (1977) SUPERTRAMP