On the willows there, we hung up our lyres

Again, he thinks that if Claudius had to go back -- to Elsinore, to Ishgard -- at least this time there was someone waiting to watch over him. He wasn't alone. It fits into what Galahad could feel from the man he met: there was a confidence and forthrightness that his Claudius doesn't have. His Claudius is shy and fearful, someone who can only protect himself with words and poisons.