Reasoning

         Why is worldwide?

    People on social media or on the internet use them so they can make a highlight of something and put

                                  on an ascetic for their post or story and this helps the creators too to make their music

                                                                                                               popular 

                                                                 During right now the most popular song right now

                                                                                                   is lady gaga Judas

                                               Because on social media the gym tag and anime tag are using this song

                                                            for expressing the struggle of working out by using a song

                                                                 about a person struggling with an unholy guilt and

                                                                                 shame for themselves and clinging

                                                                                           on to something to become

                                                                                                                better