Prospective music creators- collaborations wanted.

Please check the guidelines below and send us your material.

Each work will be strictly screened to determine the quality of the music, etc., before it is registered.

Please note that we will not be able to respond to any inquiries regarding the screening results. We will only notify qualified applicants.

There is no annual membership fee or registration fee, and we will pay you according to the sales performance.

※Music works managed by copyright collecting agencies or music publishers cannot be registered.

Application Guidelines

Data of your original works.

Profile (name, date of birth, address, telephone number, previous musical experiences, etc.)

Please compress above file and send URL by e-mail using a file transfer service.

Please do not attach the files directly in your email.


E-mail address:  triadwalk@castledoor.co.jp

We will not return any of the materials you submit.

Personal information will not be provided or disclosed to third parties without permission.

Rights of work belong to the creator.


Royalty free” means that the copyright remains with author or his/her agent, and you are allowed to use the work within a certain range.

Rights of registered works belong to the creator, so there is no problem if you want to sell it to other companies.