In episode number 4 of The Classic Rock Album-By-Album podcast, hosts Chris Karson and Lee Bowie bravely forge ahead in their epic journey to review and dissect every single rock album ever made and to determine "Is it a classic?".  This episode, Rush's Grace Under Pressure is put in the limelight.  Can an album with post-apocalyptic and highly political themes be a modern masterpiece?  Could there be more chorus pedal guitar effects?  Find out in this week's show to see if we get stuck beneath the wheels or escape the oppression from our robotic overlords.