* FilkSong: As noted on the main page, a number of IOSYS' songs can be thought of as being in the parody-filk style (credit goes to the [[http://en.touhouwiki.net/wiki/IOSYS Touhou Wiki]]):[[note]]For the sake of not having to worry about Website/YouTube videos breaking at a later date, no links to the examples will be provided. Go look them up yourselves.[[/note]]
** "Alienation" = "Shame" by Shuuchishin
** "Autumn's Soldiers -- Aki Sisters" = "DANZEN! Futari wa Precure" from ''Anime/PrettyCure''
** "be in love with you" = "Tomorrow" from ''LightNovel/FullMetalPanic''
** "Blue Cirno" = "Kuroneko no Tango" by Osamu Minagawa
** "Bukkome! Yuuka-san! ~ Ano Koro no Uchi wa Yabakatta" = "Rokkinpo Goroshi" by MaximumTheHormone
** "Burst!!" = "Turbo" by Paul Elstak featuring New Kids
** "Bursting Summer and Brilliant Watch" = "Renai Circulation" from ''LightNovel/{{Bakemonogatari}}''
** "By the Time the Dream Comes to an End" = "By the Time the World Comes to an End" from ''Manga/SlamDunk''
** "Cancel Transformation! Gross Keine" = "Douwa Meikyuu" from ''Anime/OtogiJuushiAkazukin''
** "Captain Murasa's Ass-Anchor" = "Danjo" by Tarou[[note]]Partial parody; listen to the parts of "Captain Murasa" that aren't being sung[[/note]]
** "Care over!!" = "Get Up (I Feel Like Being a) Sex Machine" by JamesBrown[[note]]Partial parody; the relevant parts of "Care over!!", beyond the general funk sound, are the bits surrounding the verses[[/note]]
** "Club Ibuki in Break All" = "Love DQN" by CLUB PRINCE
** "DEAD GIRLS BE-BOP!!" = "Tank!" from ''Anime/CowboyBebop''
** "Desire" = "Bad Romance" by LadyGaga
** "Family's House" = "Hitori" by Gospellers
** "Fraulein Lilie" = "Kinjirareta Asobi" from ''Anime/RozenMaiden''
** "Heartful Neko-romancer" = "Thriller" by MichaelJackson
** "Keine's Drawing Song" = "Soup's Drawing Song" from ''Okaasan to Issho'' (see also the parody of this song in ''Manga/SayonaraZetsubouSensei'')
** "Kire Kire Mayoi" = "Hare Hare Yukai" from ''Literature/HaruhiSuzumiya''[[note]]Blatant cut-paste lyric swap[[/note]]
** "Laser Mari Fantasy" = "Pegasus Fantasy" from ''Manga/SaintSeiya''[[note]]Blatant cut-paste lyric swap[[/note]]
** "Letty Whiterock You!" = "We Will Rock You" by {{Queen}}
** "Love-Coloured Damage Report" = "Sketch Switch" from ''Manga/HidamariSketch''
** "New Attack Resurrection" = "only my railgun" from ''Manga/ACertainScientificRailgun''
** "Omorashi no Kami-sama" = "Toilet no Kami-sama" by Kana Uemura
** "Oshiri Sanae Mushi" = "Oshiri Kajiri Mushi" from ''Minna no Uta''
** "PAN PAN PANTY" = "PON PON PON" by Music/KyaryPamyuPamyu
** "PERFECT FREEZE" = "SKILL" by JAMProject
** "Saint Marisa's Gift" = "Rudolph the Red-Nosed Reindeer"
** "Satosatorirasatosatorirasatorira Daibakuhatsu" = "Yuriyurarararayuruyuri Daijiken" from ''Anime/YuruYuri''
** "Screaming Cool Match" = "Zetsubou Billy" from ''Manga/DeathNote''
** "Song for the Cruelty of the Hell of the 60 Year Flowers of Sin" = "Saintly Girl Territory" from ''Anime/RozenMaiden''
** "There Are No Bombs" = "There Are No Umbrellas" by Yousei Inoue
** "The Traveling Emotions of Love At A Moon-viewing Hot Spring" = "Usagi" (a Japanese children's song)[[note]]This one seems like kind of a stretch; however, because it is listed on the Touhou Wiki, it's listed here[[/note]]
** "The Ultimate Yakiniku Restaurant! Orin's Hell Mansion!" = "Love Dial 6700" by Finger Five[[note]]Partial parody; listen to the first 30 or so seconds of "Love Dial 6700" and compare[[/note]]
* NoExportForYou: There's nothing stopping non-Japanese Touhou fans from buying IOSYS's music... except for the one minor detail that almost none of the stores that stock their material (including their own) ship internationally. [[http://ekizo.mandarake.co.jp/shop/en/ Mandarake]] is about the only online retailer that (a) carries their music and (b) does ship to the U.S.

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