this data pack is from the famous game, Tetris
, the datapack brings the tetris song to life
in order to activate the datapack you have to execute the command:

/function tetris_theme_song:play

for music you have to execute the command:

/function tetris_theme_song:pause

and to put the music back you have to execute the command:

/function tetris_theme_song:stop

and to remove the datapack and that it does not get damaged you have to execute the command:

/function tetris_theme_song:uninstall