BUR #40416 is pending approval.
create implication shelter_(song) -> porter_robinson_(copyright)
create implication shelter_(song) -> madeon_(copyright)
I believe I am doing this correctly?
Shelter as a song implicates Porter Robinson and Madeon as its original creators.
If there is any weird interactions with both tags being an implication, porter_robinson_(copyright) should take priority in it as shelter_(song) is mostly for rin_(shelter) fanart, and she's a creation of Porter's with an OK from Madeon (iirc).