Here is pitch.pl from the samples

#
#  Copyright (c) 1997-2002 The Protein Laboratory, University of Copen
+hagen
#  All rights reserved.
#
#  Redistribution and use in source and binary forms, with or without
#  modification, are permitted provided that the following conditions
#  are met:
#  1. Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
#  2. Redistributions in binary form must reproduce the above copyrigh
+t
#     notice, this list of conditions and the following disclaimer in 
+the
#     documentation and/or other materials provided with the distribut
+ion.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' 
+AND
#  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, T
+HE
#  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
+PURPOSE
#  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LI
+ABLE
#  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQ
+UENTIAL
#  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE G
+OODS
#  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTIO
+N)
#  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ STRICT
#  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN A
+NY WAY
#  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ OF
#  SUCH DAMAGE.
#
#  $Id: pitch.pl,v 1.3 2002/05/14 13:22:26 dk Exp $
use Prima;
use Prima::Utils;
=pod 
=item NAME

A sound example

=item FEATURES

Tests the implementation of apc_beep_tone() function.

=cut


my %octave = (
  'C'  => 523,
  'B'  => 493,
  'A#' => 466,
  'A'  => 440,
  'G#' => 415,
  'G'  => 391,
  'F#' => 369,
  'F'  => 349,
  'E'  => 329,
  'D#' => 311,
  'D'  => 293,
  'C#' => 277,
);

$_ = 'E2D#EF2E2  G#2A4';
#$_ = 'AEAEAG#2 2EG#EG#A2 2EAEAG#2 2EG#EG#A2 AB2 BC2 C2BAG#A2 AB2 BC2 
+C2BAG#A3';

for ( m/\G([A-G\s][\#\d]*)/g) {
   my $d = (s/(\d+)$//) ? $1 : 1;
   $octave{$_} ? 
      Prima::Utils::sound( $octave{$_}, 100 * $d) : 
      select(undef,undef,undef,0.1 * $d);
}
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MJD says you can't just make shit up and expect the computer to know what you mean, retardo! ** The Third rule of perl club is a statement of fact: pod is sexy.