Cissoids would crucify me over this take but I was born with a really bad stutter that I got heavily bullied for and the pain from that is barely anything compared to the pain of knowing I will never sing again. I think being a tranny with a non-passing that you never use should be considered a form of mutism.
Vow of silence makes it sound like a choice and will get less support from people then if you told them you are vocally disabled