I downloaded the audio file of the above recording, which was labeled as being public domain and free of copyright restrictions, but when I used it in a video and uploaded it to YouTube, I got a copyright claim notice which I disputed. What is going on here? Is this recording public domain or not? Am I allowed to use this recording in this way without UMG putting ads on my video, which I don't want?
I think this is an issue of YouTube. I did the same and got message that music is licensed but the license is not a problem for public streaming of my video. It looks like they sort it out since you had the same issue. With Instagram/Facebook (Meta) it is all different story. They mislabel songs from this site for some other performers and block publishing. Shame on them...