If there are lines that need improvement, rate them, give feedback and improvise (eng translation of 夜祭 song) - 
よ よ 夜祭には
yo yo yomatsuri ni wa
At, at, at the night festival
ゆ ゆ 夢囃子
yu yu yumebayashi
the hayashi of dreams play.
咲(わら)う花々哉(かな)
warau hanabana kana
Alas, the flowers blossom in mirth.

咲いた 咲いた 咲いた 諸国漫遊至るとこ
saita saita saita shokokumanyuu itaru toko
Blossomed, blossomed, they have, travelling every inch of the world.
鳴いた 鳴いた 鳴いた 花に舌刺す春擬(もどき)
naita naita naita hana ni shita sasu haru modoki
Chirped, chirped, they chirped, akin to spring thrusting its’ tongue into a flower!
咲いた 咲いた 咲いた 香る万国桃色に 肉色に
saita saita saita kaoru bankoku momoiro ni nikuiro ni
Blossomed, blossomed, they have, spreading their fragrance into all nations of the earth, into colors of peach and flesh.

こっちおいで おいで こわいことしよとこしへに
ゆびきり
kocchi oide oide kowai koto shiyo tokoshie ni yubikiri
Come over here, come. A dreadful year, vow me of its’ eternity./Let's do scary things, I vow to you for all eternity.

パッと咲いて
patto saite
In the blink of an eye, blooming,
よ よ 夜祭眠らないでね ずっと夜更かし花見頃
yo yo yomatsuri nemuranaide ne zutto yofukashi hanamigoro
the night, night festival. Mustn't you fall asleep! Now is best for sightseeing of the flowers. Keep your eyes wide, wide awake!
にらめっこ見惚れたら負けですよ
niramekko mitoretara make desu yo
If you were to be struck utterly enchanted, it'd be a loss.
ちょいと貴女の花粉下さいませ
choito anata no kafun kudasaimase
Oh, would you please hand over your pollen?
こわいこわいね だけどやけにきれいね
kowai kowai ne dakedo yake ni kirei ne
Frightful, frightful, and yet dastardly beautiful.
こわいこわいね 色気付いてさ
kowai kowai ne irokezuite sa
How formidable it is, tinged in colors of lust,
夜祭よ
yomatsuri yo
the night festival.

さてまほろば はらほろり
sate mahoroba harahorori
Now, in the most splendid of lands, petals fall so tenderly-
春の宵の瀬
haru no yoi no se
Swift rapids make their run on a spring's evening.

咲いた 咲いた 咲いた 瞳の中に天竺が
saita saita saita hitomi no naka ni tenjiku ga
Tianzhu blossomed, blossomed, blossomed, as my eyes beheld.
退(ど)いた 退いた 退いた 姫の衣の御披露目じゃ
doita doita doita hime no koromo no ohirome ja
Out of the way, out, out! The unveiling of the princess's gown will be made!
ゾクゾク怖気(おぞけ)立つエピキュリアン
zokuzoku ozokedatsu epikyurian
Shuddering in thrill to epicureanism,
あなたこそ蠱惑の人媒花(にんばいか)
anata koso kowaku no ninbaika
It is you so alluring who shall make for human pollination.
お気の毒召しませ
okinodoku meshimase
My apologies, do feast.
光も闇も根はおんなじ
hikari mo yami mo ne wa onnaji
Light and dark share the same roots.
ゾッとして
zotto shite
Do shiver.
よ よ 夜祭眠らないでね ずっと夜更かし花見頃
yo yo yomatsuri nemuranaide ne zutto yofukashi hanamigoro
the night, night festival. Mustn't you fall asleep! Now is best for sightseeing of the flowers. Keep your eyes wide, wide awake!
にらめっこ見惚れたら負けですよ
niramekko mitoretara make desu yo
If you were to be struck utterly enchanted, it'd be a loss.
ちょいと貴女の花粉下さいませ
choito anata no kafun kudasaimase
Oh, would you please hand over your pollen?
嗚呼 あの子が欲しい
aa ano ko ga hoshii
Aah, we want that girl!
嗚呼 あの子はだれ？
aa ano ko wa dare?
Who's she,
だれ
dare
who,
だあれ？
daare?
whooo?
こわいこわいね だけどやけにきれいね
kowai kowai ne dakedo yake ni kirei ne
Frightful, frightful, and yet dastardly beautiful.
こわいこわいね 色気付いてさ
kowai kowai ne irokezuite sa
How formidable it is, tinged in colors of lust,
夜祭よ
yomatsuri yo
the night festival.
さてまほろば はらほろり
sate mahoroba harahorori
Now, in the most splendid of lands, petals fall so tenderly.
春の宵朝
haru no yoi asa
Breakfast on a spring evening.

デモナヰズ
demonaizu
Demonize.

さりとてまだ不安か？ 錯乱のまま伏す
sari tote mada fuan ka? sakuran no mama fusu
Even as that be, still anxious? You lie, as deranged as you be.
でもなあ
demo naa
but, you know
悟りてはらひら 櫻のマザーグース
satorite harahira sakura no mazaaguuzu
In enlightenment, she's fluttering down- the mother goose of sakura. 
散開 なんか企むかい？
sankai nanka takuramu kai
Dispersing - Plotting some device now, are you?
散開 まるで博覧会
sankai marude hakurankai
Dispersing - as if an exhibition.
散開 なんか企むかい？
sankai nanka takuramu kai
Dispersing - Plotting some device now, are you?
錯乱かい？
sakuran kai
Deranged?
勘違いでも愛
kanchigai demo ai
A misunderstanding, yet love.
芽吹いた純情を嬲るような雨足
mebuita junjou o naburu you na amaashi
A passing shower teasing your budding naïveté.
メモラヰズ
memoraizu
Memorize.
香りにつられてフラフラ I am ****
kaori ni tsurarete furafura I am ****
“I am ****” - enticed by that fragrant scent, I shudder.
散開 なんか企むかい？
sankai nanka takuramu kai
Dispersing - Plotting some device now, are you?
散開 まるで博覧会
sankai marude hakurankai
Dispersing - as if an exhibition.
散開 なんか企むかい？
sankai nanka takuramu kai
Dispersing - Plotting some device now, are you?
散開
sankai 
Dispersing.