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~REVERIES IN THE RaiN~ AI: THE SOMNIUM FILES Soundtrack SPECIAL AGENT EDITION is the official soundtrack for AI: THE SOMNIUM FILES. It is included in the Special Agent Edition of the game in North America, Europe, and Australia.

The soundtrack contains 39 different music tracks from the game, including the song "Invincible Rainbow Arrow" by the net idol A-set. The rest are arranged by Keisuke Itō, the game's composer.

On Steam, a limited bonus for AI: THE SOMNIUM FILES, also named ~REVERIES IN THE RaiN~, was released as part of a Limited Edition release of the game. This soundtrack only contained 17 tracks, all of which are also included in the physical release. This version of the soundtrack was made available physically for Japanese pre-orders.

A full soundtrack, titled RaiNBOW AFFaiR, including all 67 tracks in the game, was released on November 29th, 2019.

Track Listing[]

The songs, and their length, are listed below:

No. Name Run time Steam

Y/N

Use in-game
1 告解 -kokkAI- (lit. Confession) 2:08 Plays at the title screen and flashbacks involving Falco
2 委細 -isAI- 1:45
3 展開 -tenkAI- 1:21 Used in Boss's Office
4 厄災 -yakusAI- 1:13
5 襲來 -syuurAI- 1:42
6 奇怪 -kikAI- 1:13
7 問罪 -monzAI- (lit. Question) 1:27 Used during interrogation segments
8 警戒 -keikAI- 0:56
9 敵對 -tekitAI- 1:48 Used during action segments requiring timed inputs
10 Awakening Interval 1:11 Used in the Matsushita Diner
11 Artist, Inc. 1:23 Used in the Lemniscate Office
12 Automobile Interior 1:22 Used while Kaname Date is driving
13 Absolute Isolation 1:09
14 Arcane Incantation 1:37
15 Atlantic Islands 1:21 Used in Sunfish Pocket
16 Ambidextrous Identity 1:35 Used in Marble
17 Armed Insurgents 1:23 Used in the Kumakura office
18 Ancient Impassivity 1:20 So Sejima's theme
19 Alarming Incursion 1:17
20 PSYNCIN' IN THE FOUNTaiN 0:50 Used at the start of every Somnium before the title card appears
21 SINKIN' IN THE BRaiN 1:43 Used during SINKIN' IN THE BRaiN
22 PSYNCIN' IN THE PaiN 2:42 Used during PSYNCIN' IN THE PaiN
23 PSYNCIN' IN THE DOMaiN 1:25
24 PSYNCIN' IN THE VaiN 1 2:42 Used during PSYNCIN' IN THE VaiN, exclusively during the B path (Choosing "Turn the Dial")
25 PSYNCIN' IN THE VaiN 2 2:24 Used during PSYNCIN' IN THE VaiN, exclusively during the A path (Choosing "Hit")
26 PSYNCIN' IN THE SWaiN 1 2:14 Used during PSYNCIN' IN THE SWaiN as the standard music
27 PSYNCIN' IN THE SWaiN 2 1:24 Used during PSYNCIN' IN THE SWaiN during Ota Matsushita's heroic scenes
28 PSYNCIN' IN THE SUSTaiN 2:27 Used during PSYNCIN' IN THE SUSTaiN
29 PSYNCIN' IN THE CAPTaiN 2:15 Used during PSYNCIN' IN THE CAPTaiN
30 PSYNCIN' IN THE CURTaiN 2:24 Used during PSYNCIN' IN THE CURTaiN
31 PSYNCIN' IN THE VILLaiN 2:35 Used during PSYNCIN' IN THE VILLaiN
32 PSYNCIN' IN THE MaiN 1 2:02 Used during PSYNCIN' IN THE MaiN: 1
33 PSYNCIN' IN THE MaiN 2 3:01 Used in the Ikume Shrine and the early parts of PSYNCIN' IN THE MaiN: 2
34 PSYNCIN' IN THE MaiN 3 1:49 Used in the later parts of PSYNCIN' IN THE MaiN: 2
35 PSYNCIN' IN THE MOUNTaiN 2:24 Used during PSYNCIN' IN THE MOUNTaiN
36 PSYNCIN' IN THE REFRaiN 2:34 Used during PSYNCIN' IN THE REFRaiN
37 PSYNCIN' IN THE STRaiN 0:46 Plays whenever a Psync segment is failed, and during some scenes in Somnium after one is completed successfully
38 Invincible Rainbow Arrow -Vocal Solo- 4:23
39 Invincible Rainbow Arrow -Instrumental- 4:22

Trivia[]

  • Aside from the "Invincible Rainbow Arrow" covers, every song in the soundtrack has a play on the letters "AI".
    • Songs used on various types of scenes are written in Japanese, with its romanization containing the pairing "AI" at the end of the word, all of them rhyming.
    • Songs used on specific locations are given two words for their title, the initials of both being A and I in that order.
    • Songs used in Somnia are titled the same as their respective Somnium worlds, which all rhyme with "PSYNCIN'/SINKIN' IN THE ---aiN", the "ai" remaining uncapitalized.

Navigation[]

AI: THE SOMNIUM FILES
Media
AI: THE SOMNIUM FILESAI: THE SOMNIUM FILES DEMORaiNBOW AFFaiR Complete SoundtrackREVERIES IN THE RaiN SoundtrackTHOUGHTS REMaiN BELOW Artbook
Characters
Kaname DateAibaIris Sagan/A-setOta MatsushitaMizuki OkiuraBossPewterNew Cyclops Killer
Hitomi SaganMayumi MatsushitaRenju OkiuraMamaShoko NadamiSo SejimaMoma KumakuraRohan KumakuraCyclops Serial Killer
#89FalcoBodyguardsTakero MatsushitaManaka IwaiSaito SejimaYakuza AYakuza BNurseReceptionistMermaidTaxi DriverInspector
Locations
Tokyo
Chiyoda District: Police Headquarters (Boss's Office; Psync Room; Interrogation Room) • Sunfish Pocket
Koto District: Harbor Warehouse District (Cold Storage Warehouse) • Date Residence
Meguro District: Sagan ResidenceTiefblau
Minato District: Sejima ResidenceKumakura OfficeIkume ShrineLemniscateCentral Hospital
Near Kabasaki District: Bloom ParkOld Chemical PlantMatsushita Diner
Shinjuku District: Golden Yokocho (Marble)
Other: Fuchu City (Fuchu Prison) • Akikawa ValleyOkutama MountainsEitoku High
Somnia
SINKIN' IN THE BRaiN (Spoiler) • PSYNCIN' IN THE PaiN (Spoiler)
PSYNCIN' IN THE VaiN (Spoiler) • PSYNCIN' IN THE SWaiN (Spoiler)
PSYNCIN' IN THE SUSTaiN (Spoiler) • PSYNCIN' IN THE CAPTaiN (Spoiler)
PSYNCIN' IN THE CURTaiN (Spoiler) • PSYNCIN' IN THE REFRaiN (Spoiler)
PSYNCIN' IN THE VILLaiN (Spoiler) • PSYNCIN' IN THE MaiN: 1 (Spoiler)
PSYNCIN' IN THE MaiN: 2 (Spoiler)
PSYNCIN' IN THE MOUNTaiN (Spoiler) • PSYNCIN' IN THE CHaiN (Spoiler)
Chapters
Red Route: sigAIsaikAImeikAIsyokubAIrihAI
youdAIjikAIzugAIsyokuzAI
Yellow Route: syougAIseisAIhiAIsanpAI
Green Route: gumAIjukkAIkikAIjinnAIihAI
Purple Route: keitAIgyoukAIkyuusAIsyuurAIirAIdakkAIkekkAI
Pink Route: kenzAIjutAIkokkAIsousAIhakAIkassAI
Organizations
Tokyo Metropolitan Police Department (Advanced Brain Investigation Squad) • Ujisaki Family (Kumakura FamilyKumakura Estates) • Secret Society NAIXATLOZForeign Mercenaries
LemniscateSunfish PocketMarbleTiefblauFamiSto8-12Elgorg
Items
Wadjet SystemEvolverLight Synaptic Nerve Connection DeviceDate's CarShovelForgeOdoroki-man ChocolateGeostationary Satellite X00639
Events
Chemical Plant ExplosionOriginal Cyclops Serial KillingsBreak-In at Sagan ResidenceNew Cyclops Serial KillingsIncident at Minato District HighwayDisappearance of Renju OkiuraOperation: Iris Rescue
Full List of Events
Lemniscate YouTube Series
Media
Lemniscate (channel)To-Witter Archives 2019 (Tesa)To-Witter Archives 2020 (Tesa)

To-Witter Archives Aseton: Main PageAseton Plays DanganronpaRevisiting the YouTube seriesTokyo Game Show & AI Launch DayAseton Zero EscapeAseton Terraria PioneerCrypt of AsetonAseton of HyruleIndivisible Aseton
Weibo Archives
REVERIES IN THE RaiN Soundtrack
A-set To-Witter (English)A-set To-Witter (Japanese)a_set_on Weibo (Chinese)Mato To-WitterKotaro Uchikoshi Eng To-WitterFluerichaji To-Witter

Love Songs From Another WorldVirtuoso of the Space Time Continuum
Characters
A-set (impostor) • Ota MatsushitaMizuki OkiuraKotaro UchikoshiFluerichajiWhite Horse WomanBloody Polar Bear
Renju OkiuraHitomi SaganMayumi MatsushitaMama****** ****AibaBossPewterYūsuke KozakiAkira OkadaCyclopsAmame DoiHorusBastet • "Uncle" • Missing Girl • Missing Girl's Parents
Locations
Tokyo: Sagan ResidenceLemniscate OfficeSunfish PocketKabasaki DistrictBloom Park (Somnium) • Old Chemical PlantMatsushita DinerIkume ShrineGolden Yokocho (Marble) • Harbor Warehouse District (Okiura Fishery Cold Storage Warehouse) • Sejima ResidencePolice Headquarters (Boss's Office/Psync Room) • Okutama Mountains
USA: San FranciscoCalifornia
Organizations
LemniscateSpike ChunsoftSecret Society NAIXATLOZGame Developers ConferenceSunfish PocketMarbleTokyo Metropolitan Police Department (Advanced Brain Investigation Squad) • Anime Expo
Events
A-set's video seriesCyclops Serial KillingsChemical Plant ExplosionDisappearance at Bloom ParkA-set's campaign against NAIXATLOZSpike Chunsoft's panel at GDC Disappearance of Iris SaganImpersonation of Iris SaganIris Sagan's playthrough of AI: THE SOMNIUM FILESVisit to the Somnium Files DiscordSpike Chunsoft's panel at Anime Expo 2019
Videos (Pre-release)
0: Uchikoshi Introduces Net Idol A-set! (Invincible Rainbow Arrow)
1: Tesa's Top 3 Favorite Snacks and Mascots!
2: Tesa Visits Maid Cafe Sunfish Pocket!
3: There's No Way This Trespassing Idol Can Be This Cute!
4: Tesa's Matsushita Diner Review! Omelet Rice Edition!
5: A-set Reservations Unknown
6
fAInal: rw nw prt m hrw
A-set's GDC All-Access Convention Report!
Sneaking Into ABIS!
Exploring a Dreamworld!
This Is Your Idol
7: Zanki Zero Let's Play! Can Tesa Survive the Ruins?! (Alt)
8: It’s time to talk about the Cyclops Case (might lose subscribers for this...)
9: My 10-Day Vacation Diary
10: AI: THE SOMNIUM FILES Let's Play! Detective Tesa!
11: That Time I Got Forced To Do Impressions by an Egyptian God
12: Tesa's Spirited Away Adventure: Picture Book Edition!
13: Tesa Answers Over 30 Questions at Super Speed!
14: "Invincible Rainbow Arrow" Dance feat. Mizuki, Ota, and...White Horse Woman?!
15: Sneak Peek at AI: THE SOMNIUM FILES LE/Day One Edition!
16: You Won't Believe the Friend I Just Made! (Secret video)
17: Graduation (AX Panel)
Videos (Post-release)
18: A-set's AI: THE SOMNIUM FILES Exclusive Launch Day Let's Play
19: AI: THE SOMNIUM FILES Let's Play Part 2! Ota is here!!!
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