--Ryukyuan Religion is generally characterized by ancestor worship and the respecting of relationships between the living, the dead, and the gods and spirits of the natural world-- (taken from Wikipedia)

Sekai World Uchinanchu Kikou ~Shiimii-hen~

Yo ga [bad word] pajama no mama de ii kara
The night's getting late, it's OK if you're in your pyjamas
Minna minna kono hi dake tsudoi tsudotte
Guys, let's gather only for this day
Senzo ni wuutootoo sa
to pray to the ancestors
[i found the meaning of wuutootoo from this online okinawan dict]

Nen ni ichido no [bad word] nonde utatte sawagi dasu
In this annual festival, drink, sing, and make a noise
Ano yo mo kono yo mo ano ko mo kono ko mo minna isshou ni odori dasu
That age (generation), this age, that kid, this kid too, all are dancing together 
Haーiya haーiya ーhaーiya iyasasa
*This is an okinawan dance, men are putting their fist (women: palm) in the air and moving them just like that, following the [bad word] beat--played by the Eisa dancer--and sing: ha iya ha iya ha iya iya sa sa...*
Taikou ni awasete subete wo wasurete
match the taiko beat, forget anything else 
Hitotsu ni natte ku shimachuu ga
And all the island are [bad word] one

Gosenzo sama sama zama sa
The ancestors are various
Bokura minna ga koko ni [bad word] no wa 
minna minna kono hi dake tsudoi tsudotte
but we're all here is to gather, only for this day
Senzo ni wuutootoo sa
to pray to the ancestors

 [bad word] keettekindoo
Heekuyaakaigaa deejinattondo
Shimanchuu nutaa muro wuutootoo
 [bad word] keettekindoo
[sorry, maybe it's the Uchina Guchi--Okinawan Language--and i don't understand at all.. i tried to find in the okinawan dict above, but i don't even know which one is a word and which is the other... T_T]

Yo ga [bad word] pajama no mama de ii kara
The night's getting late, it's OK if you're in your pyjamas
Minna minna kono hi dake tsudoi tsudotte
Guys, let's gather only for this day
Senzo ni wuutootoo sa
to pray to the ancestors

Gosenzo sama sama sama sa
The ancestors are various
Bokura minna ga koko ni [bad word] no wa
Minna minna kono hi dake tsudoi tsudotte
but we're all here is to gather, only for this day
Senzo ni wuutootoo sa
to pray to the ancestors

Uchinanchuu wa....
The Okinawan are... (Yamato said: "u-i-u-u-u" ^^