Does anyone know where I can hear the "You Gotta Be Crazy" and "Raving and Drooling" versions of Dogs and Sheep? Are they all that different or are we talking about minor lyrical changes? I'd be very interested to find out more about these two tracks.

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"You can relax on both sides of the tracks, and maniacs don't blow holes in bandsmen by remote control"
- The Gunner's Dream, Roger Waters