They chose the track "Yoake no Michi" (Path of Dawn), which they felt best suited Subaru's character and the atmosphere of the scene. Character Shifts
The production staff at White Fox was exceptionally meticulous regarding Subaru’s cell phone ringtone: Re:Zero kara Hajimeru Isekai Seikatsu Episode 19
Reviewers note that this episode marks the "end of Subaru's stupidity". For the first time, he isn't acting out of rash emotion; instead, he is "resource allocating," figuring out which political and military pieces he needs to move to overcome the seemingly impossible obstacle of the White Whale. They chose the track "Yoake no Michi" (Path