[CM] definstrument (warning: newbie)

[Brian]

hello,
i hope someone has a second to help a clueless clm newbie.  i'm using
Planet CCRMA's full distribution on Fedora Core 1.  after getting
everything installed, i'm excited to dive into learning clm (cm-cmucl),
but i'm stuck at the beginning of the manual

<http://www-ccrma.stanford.edu/software/snd/snd/clm.html>

on the first example which uses definstrument.  i've pasted the error
below.  since i'm also new to common lisp, i can't even begin to infer
what the problem might be.  (note: the example above in the manual, which
uses "defun"), works fine...)

any help, tips, or pointers to get me started debugging would be greatly
appreciated!

thanks,
brian

-------------------------------------------------------------------
CMU Common Lisp CVS snapshot 2003-12, running on
dsl027-183-246.sfo1.dsl.speakeasy.net
With core: /usr/lib/cmucl/lib/lisp.core
Dumped on: Sun, 2003-11-30 06:00:10-08:00 on lorien.users.earthlink.net
See <http://www.cons.org/cmucl/> for support information.
Loaded subsystems:
    Python 1.1, target Intel x86
    CLOS based on Gerd's PCL 2003/06/18 09:23:09
* (definstrument simp (start-time duration frequency amplitude)
  (multiple-value-bind (beg end) (times->samples start-time duration)
    (let ((s (make-oscil frequency)))
      (run
       (loop for i from beg below end do
         (outa i (* amplitude (oscil s))))))))


Error in function (:MACRO DEFINSTRUMENT):
   oops -- I can't find SIMP's lisp source file!
   [Condition of type SIMPLE-ERROR]

Restarts:
  0: [ABORT] Return to Top-Level.

Debug  (type H for help)

((:MACRO DEFINSTRUMENT)
 (DEFINSTRUMENT SIMP
                (START-TIME DURATION FREQUENCY AMPLITUDE)
                (MULTIPLE-VALUE-BIND # # #))
 NIL)
Source: Error finding source:
Error in function DEBUG::GET-FILE-TOP-LEVEL-FORM:  Source file no longer
exists:
  /usr/src/redhat/BUILD/clm-2/defins.lisp.
0]