For the re-recording made for Zabriskie Point, "Come In Number 51, Your Time Is Up", whispering and a choir were added. David Gilmour and Roger Waters provided the vocals, and Waters' screaming is noticeably louder. It is a complete instrumental; unlike the original "Careful with That Axe, Eugene", "Come in Number 51, Your Time Is Up" does not feature the spoken words "Careful with that axe, Eugene", and is in the key of E minor instead of the original D minor.
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