The development of communication technology during World War II had a significant impact on the development of music, making music more diverse.

Thanks to the development of technology, musicians can broadcast their works through radio and other media. This makes it easier for musicians to spread their work to more people, making the music more popular.

Additionally, at the time, musicians could more easily spread their compositions around the world thanks to emerging communication technologies. This also makes it easier for musicians to obtain inspiration for music creation from abroad.

Therefore, the development of communication technology during World War II had a significant impact on the development of music, making music more diverse.