Sounds for Kaleido-* magic tools

(Still need icons)

docs/AUTHORS.txt

@@ -158,12 +158,22 @@ June 17, 2002 - March 8, 2023
   Creative Commons 0 License (CC0 1.0)
   by Guy McPherson
 
-  Keep Color & Remove Colore sounds:
+  Keep Color & Remove Color sounds:
   "Ethnic drums » ethnic beat6.wav" & "...7.wav"
   (https://freesound.org/people/tootoos24/sounds/677558/ &
   https://freesound.org/people/tootoos24/sounds/677559/)
   Creative Commons 0 License (CC0 1.0) by Dmitry Lastovsky
 
+  Kaleido-4, -6, & -8 sounds:
+  "Xylophone chromatic descending passages improv"
+  (https://freesound.org/people/Ustym_Petrovych/sounds/668401/),
+  "Xylophone scale descent improv"
+  (https://freesound.org/people/Ustym_Petrovych/sounds/668395/),
+  and "Xylophone chromatic passages improv"
+  (https://freesound.org/people/Ustym_Petrovych/sounds/668399/)
+  Creative Commons Attribution 4.0 International (CC BY 4.0)
+  by https://freesound.org/people/Ustym_Petrovych/
+
   Mouse accessibility code and keyboard access
   Ankit Choudary <ankit.goaldecided@gmail.com>, as part of GSOC 2010,
   with integration and fixes by Pere Pujal i Carabantes <pere@fornol.no-ip.org>

docs/CHANGES.txt

@@ -74,8 +74,11 @@ https://tuxpaint.org/
 
     * [WIP] "Kaleido-4", "-6", and "-8" -- Kaleidoscopic lens effects.
       Bill Kendrick <bill@newbreedsoftware.com>
+      (Sounds based on "Xylophone chromatic descending passages improv",
+      "Xylophone scale descent improv", & "Xylophone chromatic passages improv",
+      licensed as Creative Commons Attribution 4.0 International (CC BY 4.0)
+      by https://freesound.org/people/Ustym_Petrovych/)
       - need icons
-      - need sound effects
 
   * Improvements to Magic Tools:
     ----------------------------