Another Glitch in the Call (Sung to the tune of a Pink Floyd song)

We don't need no indirection
We don't need no flow control
No data typing or declarations
Did you leave the lists alone?

Hey! Hacker! Leave those lists alone!

Chorus:
All in all, it was, just a pure-LISP function call.
All in all, it was, just a pure-LISP function call.