Fine, but it’s more that I don’t know if the entity that ordered the piece has paid for the rights yet. They will, it’s a major orchestra, but I just prefer being safe in case there is someone on the forum who has beans in this particular casserole and decides to look into why I am orchestrating copyrighted music.
I lived in a small town in the alps where there was a movie theater called the “Oscar Theater.” But someone from hollywood came and threatened to sue, so they changed the name to the “Nameless theater.” I prefer to be safe from those who have enough money to hire lawyers to protect their money, and call this piece be “Nameless”. And most importantly this protects me from the scenario where I have a problem with those people hiring me and they don’t hire me again. 5 seconds of my time, and I sleep better at night, because I am not afraid and because with my job I can afford a nice down pillow.