I LOVE the harmonies in eternal blue (they are so many that Im thinking they will have difficulty performing this live.)
and I wish Keiko had let Yuriko finish her soprano-ing at 2:25, I really wanted to hear it full T_T
As for distance, really like how the strings go at 1:15-1:19, but I dont like how the song turns ballad-ish at 1:24-1:39, this should have stayed upbeat imo. Also I really like Kaori's screams at the end of each refrain, they give a very tragic tone to the song. But the Yuriko chorus sounds too Red Moon-ish too me.
As for the instrumentals, the eternal blue one sounds alot different compared to what was on YouTube (was that a game menu arrange?). I kind of prefer this version but it doesn't have the "unstoppable violin" :(
In general I prefer both songs to Toki no Mukou and Parallel Hearts, but I dont compare them to stone cold since that had different instruments on it.
@niney: What do you mean by "random key changes" ? grunty had used this expression too, but how could they be non random?