The information that Karaoke Manager stores for each song is...

• the Title of the song.
• the Artist.
• a 3-letter language code for the song.
• the full path and filename of the song.
• the file-type as indicated by the file extension.
• the internal format obtained by examining the file.
• has lyrics, whether or not the file contains the words for the song in a form that can be displayed in the Song player selected for the file-type.
• an autogenerated unique ID code for the file.
• a short note, of up to around 32 words, about the song.

Note that Karaoke Manager stores information about the songs and not the songs themselves.