the purpose of the music video is to entertain the audience. they do this by showing a story of two people travelling across the country to meet each other. however it is mainly used for promoting the song as the music company want you to buy the song. they do this by uploading it to YouTube because this gives the audience a taste of the song but to continuously listen to the song you have to download it from app store like iTunes and Google apps. people who are both young and old can listen to the song