I found them! the lyrics are from someone from PRIMAGAMES I believe:
In FFX, many people didn't know what this said. I hope this can help know what it is.
this is what you hear in the game, It is sung in Japanese:
Ieyui E eh you e
Nobomenu Noo meh ahh
Renmiri Reh en me re
Yojuyogo Yo jew yo go
Hasatekanae Hah stah tay kah nah a
Kutamae Ku tah mah ay
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In english, they are saying this:
Pray, saviour
Dream, Child of Prayer
Forever and ever
Bring us peace
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But the Japanese top one diffenent. By reversing the Japanese lyrics since they are different symbols but together, it's this:
Inoreyo
Hatenaku Ebonju.
Sekae tamae
Yume miyo, Inorigo
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In english it's this:
Pray now, for Yu Yevon,
who will not go away.
For the sake of prosperity,
Dream now, the Fayths of Yevon.
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In other words, the top one was the one tidus knew about since he was a dream, and the other is the full complete version of Spira. It is still sung the same way, but it's the words that you look at.