The Aerosmith we know and sneered at everyone else really begins here, in a number of phases. Most importantly, the group establishes a long relationship with producer Jack Douglas - mainly because Bob Ezrin was too busy with Alice Cooper at the time - but so what, because Jack and the boys worked together just fine, as it turned out. It's almost there - every track is impactful, yet in the back of one's mind some random link or characteristic is missing which would group this all together, and easily throw it up with the best of the best - but it's hard to pinpoint what that link exactly is.