So what are some songs that everyone listen to when

Happy:
Sad:
Angry:
Motivated:
Dreaming:
Nostalgic:
Sleepy:

And for different weathers

Rainy days:
Spring days:
Sunny (summer) days:
Autumn days:
Winter days:

And whatever else you can think of! I just listed some easy ones~

So...

Happy: Swear
Sad: my life
Angry: Kuon no Kawa
Motivated: Gunjou no Tani
Dreaming: Beauty
Nostalgic: Natsukashii Mirai (lol)
Sleepy: Yume no Garden

and

Rainy days: Namida
Spring days: Sennen no Niji
Autumn days: 風に向かう花
Winter days: BALLAD ～名もなき恋のうた～

Happy: Koko ni Iru, Lost Child
Sad: Nobody knows but me
Angry: Gunjou no Tani *dont throw rocks on me please xD*
Motivated: Kaze ni Mukau Hana, Gunjou no Tani again
Dreaming: Sennen no Niji
Nostalgic: Shiawase no Kane
Sleepy: Hitotsu

Rainy days: my life
Spring days: Natsukashii Mirai
Sunny days: Megumi no Ame *bcoz I always wishing for rain when it's hot sunny days LOL*
Autumn days: My Moonlight
Winter days: BALLAD

Happy: 群青の谷
Sad: 涙 (I love the lyrics ;_; )
Angry: Over the clouds
Motivated: 空唄 ('cause then I can 'fly away' XD)
Dreaming: 夢のガーデン
Nostalgic: 見つめていたい
Sleepy: Beauty

Rainy days: BALLAD ～名もなき恋のうた～
Spring days: 群青の谷
Sunny (summer) days: 風の手紙
Autumn days: 千年の虹
Winter days: Diamond


群青の谷 always makes me want to jump around XD

Well, I don`t really have one song in particular for any mood, but generally :

Happy: Swear, Koko ni iru, One, Gunjou no Tani
Sad: Shiawase no Kane, Gunjou no Tani
Angry: Gunjou no Tani
Motivated: Gunjou no Tani, Ashita e no Sanka, RED CLIFF, Kuon no Kawa
Dreaming: Gunjou no Tani, Yume no Garden & almost every alan song XD
Nostalgic: Ii Hi Tabidachi, Gunjou no Tani, Natsukashii mirai
Sleepy: Gunjou no Tani

Rainy days: Kizuna
Spring days: Beauty, Gunjou no Tani
Sunny (summer) days: Gunjou no Tani
Autumn days: Kaze ni mukau hana, Kagome
Winter days: Kanashimi wa Yuki ni Nemuru

I add

Night : Tsuki ga Watashi


I really love Gunjou no Tani, I listen to it everytime I`m in a particular mood to be honest... XD
I listen to whole albums or singles usually...

Stress- ballad
Sad-my life
Happy- Swear,
Motivated-kuon no kawa
Dreaming-together
Nostalgic-Ii Hi tabdachi
Sleepy-Nada Sou sou

and the season Im clueless

Happy: Swear
Sad: nobody knows but me
Angry: Ashita he no Sanka (to calm me down, haha)
Motivated: Diamond
Dreaming: sign
Nostalgic: Namida
Sleepy: my life

Rainy days: Sennen no Niji
Spring days: Nada Sou Sou
Sunny (summer) days: Koko ni Iru
Autumn days: Gunjou no Tani
Winter days: Hitotsu

Happy: Swear, Koko ni Iru
Sad: BALLAD
Angry: Over the clouds
Motivated: Gunjou no Tani
Dreaming: Kaze ni Mukau Hana
Nostalgic: my life
Sleepy: Megumi no Ame

Rainy days: Namida
Spring days: Sora Uta
Sunny (summer) days: My Stage
Autumn days: Tsuki Ga Watashi
Winter days: Hitotsu

Happy: Swear
Sad: BALLAD
Angry: kaze no tegami / kagome
Motivated: kuon no kawa
Dreaming: yume no garden
Nostalgic: my life / nobody knows but me
Sleepy: nada sou sou

And for different weathers

Rainy days: namida
Spring days: Beauty
Sunny (summer) days: Koko ni iru yo
Autumn days: jia you! ni you ME! / kaze ni mukau hana (?) not sure...
Winter days: mitsumeteitai/kanashimi wa yuki ni nemuru