Use "," as the leader key in emms-browser-mode

emacs/init.org

@@ -79,6 +79,9 @@ This function defines a prefix group for `which-key` so that it doesn't display
   (defun jdormit/define-prefix (binding name)
     (which-key-add-key-based-replacements
       (concat leader " " binding)
+      name)
+    (which-key-add-key-based-replacements
+      (concat "," " " binding)
       name))
 #+END_SRC
 
@@ -2376,6 +2379,7 @@ The Emacs Multi-Media System
 	  (concat (get-dropbox-directory) "/music"))
     (jdormit/define-prefix "ae" "emms")
     (add-to-list 'evil-emacs-state-modes 'emms-browser-mode)
+    (general-def emms-browser-mode-map "," leader-map)
     (leader-def-key "aeb" 'emms-smart-browse)
     (leader-def-key "aes" 'emms-start)
     (leader-def-key "aeS" 'emms-stop)