Opening Credits:
Disney's Mary Poppins (Julie Andrews) - Supacalifragilisticexpialidocious

Waking Up:
Athena & Robikerottsu - Seishun ! LOVE Lunch (Youth! Love Lunch)

Falling in Love:
AKB48 (Team A) - Kuma no Nuigurumi (Teddy Bear)

Fight scene:
Tackey & Tsubasa - yume monogatari (Dream Story)

Breaking up:
Canaria Club - Pika Pika! (Sparkle Sparkle!)
How unlikely of a break up song ^^"

Getting back together:
Koda Kumi - This is not a love song
But I'm supposed to be getting back together? O.o

Secret Love:
m-flo loves yoshika & emyli - loop in my heart

Life's okay:
Disney's Haunted Mansion Holiday (2003) - We Wish You a Scary Christmas

Mental breakdown:
minimoni. - Minimoni Hinamatsuri! (Minimoni. Doll Festival)

Driving:
Matsuura Aya - Goodbye Natsuo (Goodbye Summer Boy)
Generally a good driving song. Fast paced and exciting ^^

Flashback:
Shugo Chara (Buono!) - Kokoro no Tamago (The egg of the heart)

Partying:
The Emperor's New Groove (Sting) - My funny friend and me

Happy dance:
Sexy Otona jan - Onna, Kanashi, Otona (Woman, Sad, Adult)
This song can't be used for any sort of happy dance a tall...

Regretting:
Disney's Snow White (Adriana Caselotti) - Some Day My Prince Will Come
Am I regretting my prince now? >.<"

Long night alone:
Tsukishima Kirari starring Kusumi Koharu (Morning Musume.) - very! berry! strawberry!

Death scene:
Buono! - Renai ♥ Rider (Love Rider)

Ending credits:
Prince of Tennis (Momoshiro Takeshi & Echizen Ryoma) - Flying Bicycle