@burns_audio I’m writing my reply here, since it’s not something Scrum/Agile specific:
Git Large File Storage might be interesting for you. Here’s a short article about using it for versioning Ableton Live projects.
That being said, I’ve been storing some pretty large files in my private Bitbucket/GitLab repositories, while playing around with some music related machine learning stuff. Worked fine, even without LFS.