All songs of KOKIA
- +sing
- Ai to Heiwa to Ongaku to
- Ai wa Kodama Suru
- Aliens ～Uchuujin Wakarimashita～
- Atatakai Basho
- Ave Maria
- Believe in the spirit
- Birth
- bridge
- Buta ~Mondainai Buu~ [Pig]
- Chiisana Uta
- Daijoubu Daijoubu
- Dance with the wind
- Dear Armstrong
- Douke
- Dugong no Sora [Dugong's Sky]
- Eiga no You na Koi Deshita
- Everlasting
- Family Tree
- Fate
- from 16
- Fukurou ~Fukurou ga Shiraseru Kyaku ga Kita to~ [The Owl ~The owl tells that we have uninvited guests~]
- FURUSATO ～故郷～
- Gematria
- Hajimari
- Hana Utage
- Hebi ~Hanihohebi Tanchou Fujin~ [Snake ~Hanihoheto Madam Minor~]
- Hello
- Hito no Naka ni Aru Mono
- Hohoemi wo Wasurenai You ni
- Hollow ~Million Arthur~
- HOME
- Hontou no Oto
- Hoshi no Keiji
- Hoshi no Uta [The song of stars]
- I Found the Love
- I Found You
- I LOVE YOU 2020~echoes to your heart~
- I'll be there
- infinity
- Inori† [Prayer†]
- Itsutsume no Kisetsu
- Kakurenbo [Hide and seek]
- Kaze wa Iu [The wind tells]
- Kimi ga Iru Kara Tsuyoku Nareru yo
- Kimi wo Sagashite [I Look For You]
- Kioku no Hikari
- Kisetsuhazure no Sakura [Late blooming Cherry blossoms]
- Kodoku na Ikimono [Lonely Life]
- Kokoro no Rousoku
- Kono Chikyuu ga Marui Okage de [For the Earth is Round]
- Kono Mune no Kurushimi ga Itooshii Hodo ni Ikite
- Kotoba no Mukougawa
- Kotou [Isolated Island]
- Kuma ~Kumao no Hatsukoi Kumattana~ [Bear ~the bear's first love, he's stumped~]
- Kurage ~Uchuu Yuuei Floating Soul~ [Jellyfish]
- liar liar ～ Romantic Waltz
- life goes on
- Love is Us, Love is Earth
- Maigo no Watashi wa Gin no Kitsune to Kin no Koucha wo [I would have golden tea with a silver fox during being lost]
- Make Sense
- Makenai you ni [So as not to lose]
- moment ~Ima wo Ikiru~
- Mou Ichido...
- Muryoku to Shitta Hi
- Nageki no Oto
- Nipponjin
- Nostalgia
- Nukumori [Warmth]
- Obaa-chan
- Obake ga Kowai Nante
- Ochite Yuku... [Falling]
- Ogya to Umarete
- Oishii Oto yum yum music
- Omoi
- Ookina Senaka
- Otendou-sama wa Waratteru [Tendou-sama is smiling]
- Oto no Album
- Oto no Tabibito [Music Traveler]
- Otona no Ookami
- Pierrot no Yume
- Rakuda ~Nagai Matsuge no Rakuda no Yume~ [Camel]
- REAL WORLD
- Recover
- Road to Glory～for Dragon Nest
- Sagashimono wa Uta no Naka [What you are looking for is in the music]
- Saigo no Nemuri
- Saishuu Jouei [Last Show]
- Sarusuberi no Yureru Koro
- Sekai no Owari ni
- Senka no Hana
- Shiroi Notebook
- Shoudou
- single mother
- Solace ~Kioku no Mori ni Tsumoru Kaiga
- something blue & something red
- Sora de Tsunagatteru
- Spirits
- Tabi Ressha life train
- Tanuki ~Matsuri no Yoru~ [Raccoon Dog ~Festival Night~]
- te a te
- Tenki ga ii Beer Nomou
- The Cell
- The Lighthouse
- The woman
- Tokei Jikake no TikTok [Clockwork TikTok]
- Tora [Tiger]
- tori
- Tsumi Horoboshi no Uta
- U-CHA-CHA
- Uma [Horse]
- usaghi
- Usumomoiro no Kisetsu
- vintage love
- Waraenai Hanashi
- Wasuremono
- Wataridori [Bird of passage]
- Watashi ga Mita Mono [Things I Saw]
- Watashi no Naka no Kemono
- What a Wonderful World
- Where to go my love(Piano ver.)
- Yagi ~Ninja Yagi ya~ [The Goat ~I'm the ninja goat~]
- Yasashii Shirabe
- Yoake~rebirth
- you are not alone
- Yume no Tochuu