Instruct: Classify Amazon reviews into positive or negative sentiment
Query: a place to start ....and end

1 of the true great progressive albums of all time....in an era where progressive,art rock has began anew.....u must listen to this to learn the beginnings and to share in the beauty that it still provokes...the only tell tale sign of an albums greatness..is,how much do u play it,think of it..what images are evoked..this has it all..culminating in 1 of the great climaxes in music of all time(right up there with awaken by yes)..track this cd down,enjoy for life awaken,andy