Given the date, it almost certainly contains one of the following:
If you're looking for the context behind these types of files to flesh out your post, check out these community-driven platforms: Download 20220720 Hanazawa Kana rar
If you're writing a blog post about this specific "find" or looking for the content it contains, What is likely inside that ".rar" file? Given the date, it almost certainly contains one
Kana Hanazawa has hosted long-running radio segments like Hanazawa Kana no Hitori de Dekiru kana? (Can Kana Do It Alone?). Fans frequently package weekly broadcasts into archives. Fans frequently package weekly broadcasts into archives
It looks like you're hunting for a specific file——which often appears on niche forums or music-sharing blogs.
This is the best place to ask fans about specific archive dates. They often track every radio broadcast and magazine appearance.