The licensor cannot revoke these freedoms as long as you follow the license terms.
No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.
The music by Sascha Ende is subject to the CC BY 4.0 license and may be used under the following additional conditions:
Proper attribution according to the CC BY 4.0 license is desired, but not mandatory.
Although I strive to offer only music that is free of copyright or third-party rights to the best of my knowledge and belief, I cannot guarantee that all content is indeed free of such rights. This is especially true for AI-generated music, where, due to its technical nature, there is no 100% guarantee that no third-party rights are affected. Certain content might be subject to additional intellectual property rights (e.g., copyrights, trademarks, design rights), moral rights, property rights, ownership rights, privacy rights, or the like without my knowledge. It is your responsibility to determine whether you need permission or a license to use this content. You assume full responsibility for the use of the free music.