> ## Documentation Index > Fetch the complete documentation index at: https://docs.cantae.app/llms.txt > Use this file to discover all available pages before exploring further. # Settings > Customize app appearance, music directories, and player settings Settings page is divided into three sections: **Application**, **Player**, and **Music Directories**.

In the "About" section, you can find information about the software version, operating system, and architecture. Click on the refresh button to check for updates.

Choose between seven primary color themes: Base, Yellow, Green, Blue, Orange, Red, and Violet.

Enable or disable dark mode.

Change the system language, which is available in four languages: English, Portuguese, Spanish, and Japanese.

If you want to access the music Webapp from anywhere via the internet, you need to set up an Ngrok Access Key. To obtain an Ngrok Access Key, you need to create an account on the [Ngrok website](https://ngrok.com/). Click on the save button on the right to apply the changes and restart the application.

The Web player address is the URL that you can use to access the music Webapp from your smartphone, tablet, or any other device with a web browser. After selecting the network interface, a QR code will be generated with the address to access the Webapp. Click on the QR code button to open the QR code image. The QR code image will be displayed on [Lyrics](/documentation/getting-started/pages/lyrics) page for singers

When song doesn't have lyrics, the app will search for the lyrics and save it in the song file. You can enable or disable this feature.

Enable or disable the QR code display on the player screen. The QR code is used to access the music Webapp from your smartphone, tablet, or any other device with a web browser.

Enable or disable karaoke mode. In karaoke mode, autoplay is disabled, and the lyrics page will show 'waiting for the singer' and the score.

The score is based on timing and note accuracy. This process uses AI to identify vocal notes before each song, which can consume more CPU/GPU processing and take some time depending on your hardware. A **.mid** file will be created in the music directory with the same name as the selected song. You can also use another [free tool](https://github.com/DamRsn/NeuralNote) to generate the **.mid** files.

Enable GPU to accelerate scoring processing using graphic processing. This feature may not work correctly on all devices.

Set the maximum number of songs in the queue by singer. The default value is 2.

Select the input device to use for the microphone. It will be used to calculate the score in real-time. If you are using an external microphone, it should be connected to the computer where the Cantaê application is installed.

In the "Music Directories" section, you can add, remove, or reindex songs. Click on button to select the directory where the songs are located. Click on button to reindex the songs in all directories. and on Trash icon button to remove the directory.