Hello! I go on a site like musescore and i see tons of fan arrangements. If i wanted to play a fan's score of a popular song on youtube, like hallelujah for example, would i be able to do so provided that the fan doesn't have any sort of licenses or permissions to make a derivative work. (I have...
So we all see fan arrangements of popular songs. How does this work? How are people able to take a popular song (i.e. hallelujah by leonard cohen, just for example) and change it (a little or alot) and have it be "legal"?
What are the details of, limitations of, and protections in place both...