This is a really long and unorganized post.
List 1 (classics)
Sanpou (Tonari no Totoro)
Tonari no Totoro (Tonari no Totoro)
Lum no Love Song (Urusei Yatsura)
(Ranma)
Honnou no Kinnikuman (Kinnikuman)
Kinnikuman Go Fight (Kinnikuman)
Pegasus Fantasy (Saint Seiya)
Chikyuugi (Saint Seiya)
Chala Head Chala (Dragon Ball Z)
Dan Dan Kokoro Hikareteku (Dragon Ball GT)
Raison D’etre (Chobits)
Let me be with you (Chobits)
Sakura Saku (Love Hina)
1/3 no Junjou na Kanjou (Rurouni Kenshin)
Freckles – Sobakasu (Rurouni Kenshin)
Hohoemi no Bakudan (Yu Yu Hakusho)
Moonlight Densetsu (Sailor Moon)
GUMI – Catch You Catch Me (Sakura Card Captors)
Groovy (Sakura Card Captors)
Haruka Kanata (Naruto)
We Are (One Piece)
~*ASTERISK*~ (BLEACH)
Life is Like a Boat (BLEACH)
Zankoku na Tenshi na Thesis (Evangelion)
Fly me to the Moon (Bayonetta)
Komm Susser Todd (Evangelion)
Melissa (Full Metal Alchemist)
READY STEADY GO (Full Metal Alchemist)
Change the World (Inuyasha)
Fukai Mori (Inuyasha)
disillusion (Fate/Stay Night)
Susumu Hirasawa – Girl in Byakkoya (Paprika)
oversoul (Shaman King)
Northern Lights (Shaman King)
Ryuuro (Shaman King)
Sora Mimi Cake (Azumanga Daioh)
Raspberry Heaven (Azumanga Daioh)
List 2 (modern classics)
Shoko-tan – Sora Iro Days (Gurren Lagann)
Minna no Peace (Gurren Lagann)
Sirious (Kill la Kill)
Gomen ne ii ko jararenai (Kill la Kill)
Hoshi no Sumika (Tiger and Bunny)
Orion wo Nazoru (Tiger and Bunny)
Aoi Shiori (Ano hi mita hana no namae wo bokutachi wa mada shiranai)
Secret Base (Ano hi mita hana no namae wo bokutachi wa mada shiranai)
Uragiri no Yuuyake – (Durarara)
The Baccano OP
SOMEONE ELSE! (WORKING!)
Sound Horizon – Guren No Yumiya (Shingeki no Kyojin)
ClariS – connect (Mahou Shoujo Madoka Magica)
Resonance (SOUL EATER)
I Wanna Be (SOUL EATER)
Bakusou Yumeuta (SOUL EATER)
Makka na Chikai (Busou Renkin)
Dango Daikazoku (Clannad)
lia – Tori no Uta (AIR)
Hare Hare Yukai (Suzumiya Haruhi no Yuuutsu)
Bouken Desho Desho (Suzumiya Haruhi no Yuuutsu)
GOD KNOWS (Suzumiya Haruhi no Yuuutsu)
Motteke! Sailor Fuku (LUCKY STAR)
List 3 (extra songs + “obscure” anime)
Platinum (Sakura Card Captors)
Zutto Zutto Zutto (Sakura Card Captors)
Tomo e (Sakura Card Captors)
Arigatou (Sakura Card Captors)
Heart of Sword (Rurouni Kenshin)
That one piece cute song (One Piece)
My Will (Inuyasha)
Every Heart (Inuyasha)
Angelus (Inuyasha)
I Am (Inuyasha)
Itazurana Kiss (Inuyasha)
northern lights (Shaman King)
Sono Saki no Justice (Shaman King)
Ringo Uta (Shaman King)
Omokage (Shaman King)
Bink’s no Sake (One Piece)
Sogeking no Uta (One Piece)
Libera me from hell (Gurren Lagann)
Ambiguous (Kill la Kill)
ed2 (Kill la Kill)
Blumenkranz (Kill la Kill)
Sexy Sexy (Gakkou no Kaidan)
Jam Project – Soul Taker (Soul Taker)
Anarchy (Panty and Stocking with Garterbelt)
Ohashi (Jungle wa Itsumo Hale nochi Guu)
Sister MAYO – Fun Fun and Shout (Jungle ha Itsumo Hale nochi Guu Deluxe)
UNDER17 – Popotan (Popotan)
UNDER17 – Kotae (Popotan)
UNDER17 – Kujibiki Unbalance (Kujibiki Unbalance)
UNDER17 – Kagayaki Cyalume (Kujibiki Unbalance)
Higurashi ga Naku Koro Ni (Higurashi ga Naku Koro Ni)
Naraku no Hana (Higurashi ga Naku Koro Ni Kai)
dear you (Higurashi ga Naku Koro Ni)
soraru – Zetsubousei Hero (Dangan Ronpa)
Momoiro Clover – Mugen no Ai (Mouretsu Pirates)
List 4 (tokuson+jpop+game+etcs)
Majinger Z (Majinger Z)
Lion Reine (Gao Gai Gar)
Momoi Haruko – Hikounin Sentai Akibarangers (Hikounin Sentai Akibarangers)
Momoi Haruko – Machine Itassha! (Hikounin Sentai Akibarangers)
Wonder MOMO-I (it’s super sentai there’s even HENSHIN)
Team Nekokan – Airman ga Taosenai (Megaman)
gomu – Omoide wa Okkusenman (Megaman)
Neraiuchi
KISEKI
Konna Yuki
Yuki no Hana
List 5 (vocaloid OH MY GOD)
Kokoro/Kiseki
wowaka – Rolling Girl
wowaka – Ura Omote Lovers
wowaka – Worlds End Dancehall
Senbonzakura
Melancholic
Torinoko City
Mukashi Mukashi no Kyou no Boku
rabbit (?)
DYE
Shuumatsu ga Yattekuru!
Bokura no 16 bit Warz
WANDERLAST
Hello Planet
Lost and Found
Tiger Rampage
Marie no Utakata
MELT
Meltdown
Koi wa Sensou
World is Mine
Cantarella (?)
Aku no Musume
Aku no Meshitsukai
Conchita
Alice Madness or sumthin
Coward Montblanc
Mozaic Role