I'm not aware of any information about 孙燕姿 (Sun Yanzi) releasing AIgenerated songs、However, I can suggest some possible reasons why you might be thinking of AIgenerated songs related to her:

1、AI covers: It's possible that you're thinking of AIgenerated covers of 孙燕姿's songs、There are many AI music platforms and YouTube channels that create covers of popular songs, including those by 孙燕姿, using AI algorithms.
2、AI collaborations: There have been cases where AI algorithms have been used to collaborate with human artists, generating new music that blends human creativity with AI's capabilities、However, I couldn't find any specific information about 孙燕姿 collaborating with AI on a song.

If you could provide more context or clarify what you're looking for, I'd be happy to try and help you further!