-Celestials usually have a true name they are in some way influenced by, it is their souls uniqueness summed up in words. Concordias souls and true names are perhaps not names at all, they are songs   -Their population is somewhat small, only a few hundred tightly knit individuals. True songs, also called Soulmelodies, are no secret amongst the race as every new composition(birth) is met with a grand ceremony in which the tune is heard for the first time. As they can hear songs of those around them, it would be rather hard to keep those secret anyway. Children will also often hum their own or a friends while playing, and as someone dies their melody is heard by every single Concordia, no matter how far away, before it falls eternally silent.   -One would think this leaves them vulnerable to being controlled, but they have a rather curious advantage. While it is considered very rude to use someones Soulmelody while others are present in speech, to have any control over the elementals through their melody requires playing it on their sacred instrument, one very hard to learn, obtain, and actually use.   -A successful marriage includes the combining of the parents melodies- Gender as a binary or otherwise limited system does not exist, how would you attribute that to a song? There is no restriction on how many individuals can be married at a time, the magic of the melody is such that the result, as long as it is a healthy relationship, is always harmonious.   -Both their instruments, the Melos, which are said to have magic powers, and their soulmelodies are highly sought after