自由轉調、輕鬆練歌，打造 91 譜的最佳體驗！
Before you install, Greasy Fork would like you to know that this script contains antifeatures, which are things there for the script author's benefit, rather than yours.
This script contains code that will track your browsing.
The author of this script explains:
使用 Google Analytics 了解使用情況
You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.
You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.
You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.
You will need to install an extension such as Tampermonkey or Userscripts to install this script.
You will need to install an extension such as Tampermonkey to install this script.
You will need to install a user script manager extension to install this script.
You will need to install an extension such as Stylus to install this style.
You will need to install an extension such as Stylus to install this style.
You will need to install an extension such as Stylus to install this style.
You will need to install a user style manager extension to install this style.
You will need to install a user style manager extension to install this style.
You will need to install a user style manager extension to install this style.
