- don't use a reserved name (starting with an underscore) - use a file-local mangled name (starting with two underscores - use renpy.dynamx to cleanup the variable automatically (cherry picked from commit 3e86094b0b68321703bc6de21b95bf4c450715fb)
* Added `sound` sfx channel * Refactored and unified sound & music calls * Fixed missing sounds in astoria events * Removed hide_screens label (Redundant) * Removed play_music, play_sound call labels
