Complex sentence: The World Anthem is the title of a song composed by John M. Guillot with participation from David Cope that was designed with purposes analogous to those of a traditional national anthem, but for all nations of the Earth.
Split into simpler sentences: The World Anthem is the title of a song composed by John M. Guillot with participation from David Cope. The song was designed with purposes analogous to those of a traditional national anthem, but for all nations of the Earth.