Oh, Isaac appears in it too. *eagerly awaits an upload*
EDIT 2: The song is pretty nice after all! But apparently SID read the manga before writing the lyrics, so that already wins points from me. XD
Human!Al's hair is color-traced too!! Thank god it's not just Ed. Hopefully they'll also do that for Hohenheim and Father. Because I could understand the reasoning that they want the gold hair to stand out, but only if that extends to everyone else who has that type of hair.
EDIT 3: Blargh, attempted to transliterate the lyrics, but could only make out "ano shimita sora/akane iro na sora wo"...