diff --git a/ews.rb b/ews.rb
index 67b212d..228be7a 100755
--- a/ews.rb
+++ b/ews.rb
@@ -24,27 +24,6 @@
   Logger: WEBrick::Log.new("/dev/null")
 )
 
-http_server.mount_proc '/music_list.json' do |req, res|
-  files = Dir.glob("public/music/*.{mp3,wav,ogg}")
-             .map { |f| File.basename(f) }
-             .sort_by { |f| f[/^\d+/].to_i }  # ← 番号の順に並べるよ！
-  res['Content-Type'] = 'application/json'
-  res['Access-Control-Allow-Origin'] = '*'
-  res.body = { files: files }.to_json
-end
-
-http_server.mount_proc '/music/' do |req, res|
-  path = "./public/music/#{File.basename(req.path)}"
-  if File.exist?(path)
-    res['Content-Type'] = 'audio/mpeg'
-    res['Access-Control-Allow-Origin'] = '*'
-    res.body = File.open(path, 'rb') { |f| f.read }
-  else
-    res.status = 404
-    res.body = 'Not Found'
-  end
-end
-
 # HTTP サーバーをバックグラウンドで開始
 Thread.new { http_server.start }
 
@@ -73,7 +52,7 @@
         data = JSON.parse(msg)
         case data["type"]
         when "select"
-          selected_url = "http://localhost:#{HTTP_PORT}/music/#{URI.encode_www_form_component(data["file"])}"
+          selected_url = "http://172.20.16.49:8890/#{URI.encode_www_form_component(data["file"])}" #ここのIPを、playerを建てるPCのIPに
           clients.each { |c| c.send({ type: "select", url: selected_url }.to_json) }
 
         when "play"