It is said that Rё? L is Greek, but it's not Greek after a search? Symbol, exclusion.
Really? We should all have studied mathematics in high school. It is a symbol of mathematical logic, which means "arbitrary".
And ё is a letter in the Cyrillic alphabet (Russian, etc.), which has nothing to do with German.
To sum up, the name of this song contains two Latin letters R and L, a mathematical symbol and a Cyrillic letter, so it is nothing and has no practical significance.
There is an explanation for Sawano Hiroyuki's strange song title-(the following content is taken from the post bar)
Will this limit the audience's imagination of music pictures? "With the increase of works, Ze Ye can't help but think like this-
"For example, if the audience doesn't know the name of a lyric song, they may associate it with the scene of heavy snow, or they may feel admiration between lovers ... different people will have different feelings. But if I name this song "Snow", the audience can only feel and imagine it in the scene of "Snow". This is the feeling I gave them, not the audience themselves. "
How can we avoid this situation and let the audience enjoy music freely? After trial and error, Sawano began to adopt the present "random and meaningless nomenclature". These seemingly meaningless and garbled titles make the audience completely unable to feel the musical meaning that Savano wants to express. At this time, for the audience, their own understanding is the only meaning of this song.
Does the strange title have any meaning? How to "crack" it? The answer is: it makes no sense. The only function is to hope that everyone will ignore the part of the topic. This is the truest idea of Sawano. "
It is named after the "rolling face keyboard"! Don't worry.