Hiroki Takahashi, KENN - 「彷徨えるヒステリックラヴァー」カズキ(cv.高橋広樹)×ヒジリ(cv.KENN)DUET ver.
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan) - Santa Claus Is Coming To Town (Axis Powers Hetalia! OST)
Daisuke Namikawa as Italy, Hiroki Yasumoto as Germany, Hiroki Takahashi as Japan, Katsuyuki Konishi as America, Noriaki Sugiyama as England, Masaya Onosaka as France, Yasuhiro Takato as Russia and Yuki Kaida as China - WA! WA! World Ondo!
Нео Анжелика: Бездна - Daisuke Ono, Hiroki Takahashi, Toru Ohkawa, Masaya Onosaka - Silent Destiny (1/ОР)
Daisuke Ono, Masaya Onosaka, Hiroki Takahashi, Toru Ohkawa - Neo Angelique Abyss ~Second Age - Silent Destiny
Namikawa Daisuke & Yasumoto Hiroki & Takahashi Hiroki & Sugiyama Noriaki & Onosaka Masaya & Konishi Katsuyuk - WA! Wa!! World Ondo
Minagawa Junko (Echizen Ryoma) & Takahashi Hiroki (Kikumaru Eiji) - Tonde! Mawatte! Mata raishuu ~Ryoma ga ippai~ (The Prince of Tennis)
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan) - Santa Ga Machi Niyattekuru (Axis Powers Hetalia! OST)
Daisuke Namikawa as Italy, Hiroki Yasumoto as Germany, Hiroki Takahashi as Japan, Katsuyuki Konishi as America, Noriaki Sugiyama as England, Masaya Onosaka as France,... - WA! WA! World Ondo!
Namikawa Daisuke & Yasumoto Hiroki & Takahashi Hiroki & Sugiyama Noriaki & Onosaka Masaya & Konishi Katsuyuk - WA! Wa!! World Ondo
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan) - Gakuen Fiesta [Gakuen Hetalia Portable OST]
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan), Katsuyuki Konishi (America), Noriaki Sugiyama (England), Masaya Onosaka (France),... - We wish you a merry Christmas (Hetalia)
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan) - Santa ga Machi Niyattekuru [APH OST]
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan), Katsuyuki Konishi (America), Noriaki Sugiyama (England), Masaya Onosaka (France), Yuki Kaida (China),Yasuhiro Takato (Russia) - Script – For The First Time
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan), Katsuyuki Konishi (America), Noriaki Sugiyama (England), Masaya Onosaka (France), Yuki Kaida (China),Yasuhiro Takato (Russia) - United Nations Star ☆ (Hetalia)
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany and Hiroki Takahashi (Japan) - Pukapuka☆Vacation
Daisuke Namikawa, Hiroki Yasumoto , Hiroki Takahashi , Katsuyuki Konishi , Noriaki Sugiyama), Masaya Onosaka, Yuki Kaida ,Yasuhiro Takato - United Nations Star ☆ (Hetalia)
Daisuke Namikawa (Italy), Hiroki Yasumoto (Germany), Hiroki Takahashi (Japan), Katsuyuki Konishi (America), Noriaki Sugiyama (England), Masaya Onosaka (France), Yuki Kaida (China),Yasuhiro Takato (Russia) - We wish you a merry Christmas (Hetalia)
Daisuke Namikawa, Hiroki Yasumoto, Hiroki Takahashi, Katsuyuki Konishi, Noriaki Sugiyama, Masaya Onosaka, Yasuhiro Takato, and Yuki Kaida - WA! Wa!! World Ondo (Instrumental Version)
Daisuke Ono, Hiroki Takahashi, Toru Ohkawa, Masaya Onosaka - Neo Angelique Abyss ~Second Age - Silent Destiny
Daisuke Ono (Себастьян(Тёмный Дворецкий)), Hiroki Takahashi(Япония(Хеталия)), Toru Ohkawa(Рой Мустанг(Стальной Алхимик)), Masaya - Silent Destiny
Daisuke Ono , Hiroki Takahashi, Toru Ohkawa & Masaya Onosaka - Neo Angelique Abyss - Joy To The World
Daisuke Ono, Hiroki Takahashi, Toru Ohkawa, Masaya Onosaka - Neo Angelique Abyss ~Second Age - Silent Destiny (Нео Анжелика: бездна)
Hiroki Takahashi [Superbia Squalo/Суперби Скуало] - Break Out
Namikawa Daisuke & Yasumoto Hiroki & Takahashi Hiroki & Sugiyama Noriaki & Onosaka Masaya & Konishi Katsuyuk - WA! Wa!! World Rondo (полная версия)
Shidou Kaname (Takahashi Hiroki) & Kazuha Kakeru (Takahashi Naozumi) - 「BAD MEDICINE」ED 「Dejavu」
[ School Rumble OST ] Koshimizu Ami & Horie Yui & Nabatame Hitomi & Shimizu Kaori & Takahashi Hiroki - School Rumble 4 Ever
Ikeda Masanori & Takahashi Hiroki & Fujiwara Yuki & Kokuryu Sachi - Tatta Latta ~Varia ver
Xunxus(Ikeda Masanori) & Squalo( Takahashi Hiroki) & Bel(Fujiwara Yuuki) & Fran(Kokuryu Sachi) - Tatta Latta ~Varia ver
Fujiwara Yuki, Ikeda Masanori, Takahashi Hiroki, Kokuryu Sachi - Takah Tatta-latta
Takahashi Hiroki& Takeuchi Junko & Tsuda Kenjiro (Squalo & Lambo) - Lambo-san no Yabou
Minagawa Junko (Echizen Ryoma) & Takahashi Hiroki (Kikumaru Eiji) - Tonde! Mawatte! Mata raishuu ~Ryoma ga ippai~ (The Prince of Tennis)
Kikumaru Eiji 菊丸英二 (Takahashi Hiroki) - i~jyan (It's All Right)
Xanxus(Ikeda Masanori) & Squalo( Takahashi Hiroki) & Bel(Fujiwara Yuuki) & Fran(Kokuryu Sachi) - Tatta Latta ~Varia ver
Xunxus (Ikeda Masanori) & Squalo (Takahashi Hiroki) & Belphegor (Fujiwara Yuuki) & Fran (Kokuryu Sachi) - Tatta Latta~
Squalo (Takahashi Hiroki), Belphegor (Fujiwara Yuuki) and Lussuria (Yuzawa Koichiro) - Funny Sunny Day (Cover)
Squalo ( Takahashi Hiroki) & Bel (Fujiwara Yuuki) & Lussuria (Yuzawa Kouichirou) - Funny Sunny Day
Takeuchi Junko, Mitsuhashi Kanako, Kaida Yuki, Gouda Hozumi, Takahashi Hiroki - Mashou no Tenshi [by Killua]
Ikeda Masanori & Takahashi Hiroki & Fujiwara Yuuki & Kokuryu Sachi - Tatta Latta ~Varia ver
[ School Rumble OST ] Koshimizu Ami & Horie Yui & Nabatame Hitomi & Shimizu Kaori & Takahashi Hiroki - School Rumble 4 Ever
Xunxus(Ikeda Masanori) & Squalo( Takahashi Hiroki) & Bel(Fujiwara Yuuki) & Fran(Kokuryu Sachi) - Tatta Latta ~Varia ver
Japan 日本 Nihon (Takahashi Hiroki 高橋 広樹) - Nichi noizuru kuni jipangu 日のいずる国 ジパング(Country from Where the Sun Rises, Zipangu)
Superbia Squalo | Суперби Скуало (Takahashi Hiroki | Такахаши Хироки) - "VOOOOIII" | "ВРААААЙ", "Katekyo Hitman Reborn!!" | "Репетитор-киллер Реборн!!" monent
Superbia Squalo | Суперби Скуало (Takahashi Hiroki | Такахаши Хироки) - "Chinkonka no Ame" | "Реквием дождя", "Katekyo Hitman Reborn!" character song