mid3v2:tldr:448c2

The command "id3v2 --list-genres ${filename1-mp3 filename2-mp3 ---}" is used to list all the available genres supported by the ID3 tags in MP3 audio files.

Here's a breakdown of the command:

• "id3v2" is the command or program being executed. It is a tool used to manipulate ID3 tags in MP3 files.
• "--list-genres" is an option or flag used with the "id3v2" command. This option specifically tells the command to list all the available genres.
• "${filename1-mp3 filename2-mp3 ---}" is a placeholder for the actual file names of the MP3 files you want to check the genres for. You can replace this with the actual file names or provide multiple file names separated by a space.

When you run this command, the "id3v2" program will scan the specified MP3 files and retrieve the ID3 tags, specifically the genre information. It will then display a list of all the unique genres found in those files.