Second, background music belongs to music works protected by copyright law. According to Article 3 of the Copyright Law, works mentioned in this Law include works of literature, art, natural science, social science and engineering technology created in the following forms: (3) works of music, drama, folk art, dance and acrobatics;

Thirdly, it is unreasonable to use background music at the beginning of applications and web pages such as American movies. According to the provisions of Article 22 of the Copyright Law, a work may be used without the permission of the copyright owner and without payment, but the author's name and the title of the work shall be stated, and other rights enjoyed by the copyright owner in accordance with this Law shall not be infringed: (1) to study, study or enjoy the use of published works by others for individuals; (2) appropriately quoting published works of others in works for the purpose of introducing and commenting on works or explaining problems; (3) inevitably copying and quoting published works in newspapers, periodicals, radio stations, television stations and other media in order to report current news; (4) Newspapers, periodicals, radio stations, television stations and other media publish or broadcast current affairs articles on political, economic and religious issues that have been published by other newspapers, periodicals, radio stations, television stations and other media, unless the author declares that they are not allowed to publish or broadcast; (5) Newspapers, periodicals, radio stations, television stations and other media publish or broadcast speeches delivered at public meetings, unless the author declares that they are not allowed to publish or broadcast; (6) Translating or reproducing a few published works for classroom teaching or scientific research in schools and for teaching or scientific research personnel, but not for publication; (seven) the use of published works by state organs within the reasonable scope of performing official duties; (eight) libraries, archives, memorial halls, museums, art galleries, etc., in order to display or save the version, copy the works collected by the library; (9) Performing published works for free, without charging fees to the public or paying remuneration to the performers; (ten) copying, painting, photography and video recording of works of art set up or displayed in outdoor public places; (eleven) China citizens, legal persons or other organizations written in Chinese and published in China; (12) Published works are published in Braille. The provisions of the preceding paragraph shall apply to restrictions on the rights of publishers, performers, producers of audio and video recordings, radio stations and television stations.

Fourth, if you want to get the authorization of music copyright, you can get the authorization through the Music Copyright Association.