Essential: a masterpiece of progressive rock music.
"Octopus" is a fitting title, since the band is playing here like they've got extra arms. I have yet to hear any GG album so skillfully wrought as "Octopus"; if you're approaching the band from the outside, this is definitely the right appetizer.
"…There is a serious dearth of high quality, well-recorded, hi-rez jazz. Well, this disc can help fill an important gap in a hi-rez collection." ~sa-cd.net