diff --git a/beets.config.yaml b/beets.config.yaml
index 87ee220..fea5f51 100644
--- a/beets.config.yaml
+++ b/beets.config.yaml
@@ -11,16 +11,17 @@ musicbrainz:
   searchlimit: 10
 
 replace:
-  '[#"()\[\]<>:\*\|{}\\!\?]': ''
-  "'":           ''
+  '^!!!$':       'Chk_Chk_Chk'
+  '[#"()\[\]<>:\*\|{}\\!\?]': _
+  "'":           _
   '[\\/]':       _
   '[\.,]':       _
   '[\x00-\x1f]': _
-  '^-':          ''
   '&':           '_and_'
   '\s+':         _
-  '_+':          _
-  '^_':          ''
+  '[-_]+':       _
+  '^[-_](?!$)':  ''
+  '(?<!^)[-_]$': ''
 
 per_disc_numbering: yes