Two ways:
One is to contact the publication for copyright information for a published musical work.
The other is not officially published, only the isrc code, which can be queried through the China ISRC Center or the ISRC declaration platform.
You can get the basic information of the song and the registrant, producer, publisher, etc. through the isrc code query. Generally, the producer of the sound recording is the copyright holder, except for special circumstances.
Music Copyright Overview
Music copyright is the legal right that the creator of a musical work has over the work.
The rights of a musical work are divided in different places, including the copyright of lyrics and music, the rights of performers and the rights of sound recording producers. They will correspond to different subdivided rights of copyright.
According to the regulations, authors enjoy the following rights:
(1) Publish works under their real names, pseudonyms, or without signature.
(2) Protect the integrity of the work.
(3) Modify published works.
(4) If a published work is withdrawn due to a change of opinion or other legitimate reasons, the publishing unit shall be appropriately compensated for its losses.
(5) Use the work through legal channels in the form of publication, reproduction, broadcast, performance, exhibition, filming, translation or adaptation.
(6) Receive financial remuneration for the use of works by others. If the above rights are infringed, the author or other copyright owners have the right to request a cessation of the infringement and compensation for losses.