[[file:Tokyo_Active_NEETs_banner.jpg]]{{MusicArticle
| titlejp     =東方三重奏 ～{{lang|en|Sound of Phantoms Ensemble}}～
| titlejprom  =Touhou Sanjuusou ~Sound of Phantoms Ensemble~
| titleen     =
| group       =[[東京アクティブNEETs|Tokyo Active NEETs]]
| groupCat    =Tokyo Active NEETs
| groupCat2   =
| groupCat3   =
| groupCat4   =
| released    =2010-12-30
| convention  =Comiket 79
| tracks      =9
| length      =29:31
| catalogno   =ANCD-0005
| genre       ={{Genre|Instrumental}}
| website     =[https://web.archive.org/web/20111121075706/http://active-neets.net/?page_id=249 Archived Link]
| image       =ANCD-0005.jpg
| banner      =
| arranger    =
| lyricist    =
| vocalist    =
| producer    =
| illustrator =
| designer    =
| masterer    =
| other_staff =
; Arrangement & Programming
:{{2段階右折の人}}
; Illustration & Design
:KsK
; Piano
:{{2段階右折の人}}
; Trumpet
:{{MAXつかさ}}
; Violin
:{{どくおり}}
; Guitar (Tracks 02)
:{{lang|ja|こんすき}}

| description =It features instrumental arrangements of themes from ''[[Lotus Land Story]]'', ''[[Mystic Square]]'', ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'', ''[[Imperishable Night]]'', ''[[Double Spoiler]]'' and ''[[Fairy Wars]]''. It is the last album arranged by {{2段階右折の人}} in his [[Prismriver Sisters]] style.

| tracklist   =

*{{Track|01|{{lang|ja|姫りんご 三つ巴}}|03:11}}
**''Crabapple Three-Way Struggle''
**arrangement: {{2段階右折の人}}
**original title: Bad Apple!!
**source: {{LLS}}

*{{Track|02|Dream Core|03:42}}
**arrangement: {{2段階右折の人}}
**guitar: {{lang|ja|こんすき}}
**original title: {{lang|ja|幽雅に咲かせ、墨染の桜　～}} Border of Life
**source: {{PCB}}

*{{Track|03|Fencer of half phantom|03:32}}
**arrangement: {{2段階右折の人}}
**original title: {{lang|ja|広有射怪鳥事　～}} Till When?
**source: {{PCB}}

*{{Track|04|{{lang|ja|幻想の移民たち}}|02:43}}
**''Fantasy Immigrants''
**arrangement: {{2段階右折の人}}
**original title: {{lang|ja|妖怪モダンコロニー}}
**source: {{DS}}

*{{Track|05|{{lang|ja|竹取にーとふぃーばー☆}}|03:34}}
**''Taketori NEET Fever''
**arrangement: {{2段階右折の人}}
**original title: {{lang|ja|竹取飛翔　～}} Lunatic Princess
**source: {{IN}}

*{{Track|06|495 Not Found|02:53}}
**arrangement: {{2段階右折の人}}
**original title: U.N.{{lang|ja|オーエンは彼女なのか？}}
**source: {{EoSD}}

*{{Track|07|{{lang|ja|現代魔法の基礎知識}}|02:56}}
**''The Fundamentals of Modern Magic''
**arrangement: {{2段階右折の人}}
**original title: the Grimoire of Alice
**source: {{MS}}

*{{Track|08|Magical Resonance Imaging|03:37}}
**arrangement: {{2段階右折の人}}
**original title: {{lang|ja|ラクトガール　～ 少女密室}}
**source: {{EoSD}}

*{{Track|09|Night of Black Mages|03:23}}
**arrangement: {{2段階右折の人}}
**original title: {{lang|ja|メイガスナイト}}
**source: {{FW}}

| notes       =
| review      =
| print_references =
}}