sound-load-alist references nonexistent files
(insert (pp sound-load-alist))
((load-sound-file "drum-beep"
'drum)
(load-sound-file "quiet-beep"
'quiet)
(load-sound-file "bass-snap"
'bass 80)
(load-sound-file "whip"
'whip 70)
(load-sound-file "cuckoo"
'cuckoo)
(load-sound-file "yeep"
'yeep)
(load-sound-file "hype"
'hype 100))
most of these files are not in default-sound-directory, i.e.,
/usr/local/lib/xemacs-21.2-b1/packages/etc/sounds/