This digital notebook of the LLDM International Choir contains approximately 440 scores, of which almost 300 contain their respective assemblies by voice for their study.

When you start the application, the download of the scores will begin, for this you must be connected to the Internet, however once the scores have been downloaded, you can access them without an Internet connection.

The scores are arranged alphabetically and by themes to facilitate the search for them.
It has the following sections:
- List of scores
- List of topics
- Favorites, to directly access the scores of your choice.
- International regulation of LLDM choirs, prepared by the ministry to define the guidelines of this noble organization.
- Vocalization, to collaborate in the vocal preparation of the choir members.