{{MusicArticle
| titlejp     =東方猫鍵盤{{lang|en|4}}
| titlejprom  =Touhou Nekokenban 4
| titleen     =Touhou Keyboard Cat 4
| group       =[[BUTAOTOME]]
| groupCat    =BUTAOTOME
| image       =Touhou nekokenban 4.jpg
| banner      =Touhou nekokenban 4 banner.png
| catalogno   =
| tracks      =12
| genre       ={{Genre|Instrumental}}, {{Genre|Piano}}
| length      =56:13
| released    =2011-12-30
| convention  =Comiket 81
| website     =[http://butaotome.web.fc2.com/c81_nekoken4.html Link]
| designer    ={{ランコの姉}}
| arranger    ={{パプリカ}}
| masterer    ={{コンプ}}
| other_staff =
; Piano
: {{パプリカ}}
| description =It features instrumental arrangements of themes from ''[[Embodiment of Scarlet Devil]]'', ''[[Immaterial and Missing Power]]'', ''[[Imperishable Night]]'', ''[[Undefined Fantastic Object]]'', ''[[Ghostly Field Club]]'', ''[[Changeability of Strange Dream]]'', ''[[Retrospective 53 minutes]]'' and ''[[Unknown Flower, Mesmerizing Journey]]''.

It is the fourth piano arrangement album by {{パプリカ}}. It is a sequel to [[東方猫鍵盤3|Touhou Keyboard Cat 3]]. 
| tracklist   =

* {{Track|01|{{lang|ja|明けない夜、覚めない夢}}|05:46}}
** ''The Unopening Night, the Unwakening Dream''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|千年幻想郷　～}} History of the Moon
** source: {{IN}}

* {{Track|02|{{lang|ja|それはまるで追いかけっこのようだ}}|04:36}}
** ''It's Just Like a Game of Chase''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|夜が降りてくる　～}} Evening Star
** source: {{IaMP}}

* {{Track|03|{{lang|ja|微睡みにおちる}}|05:40}}
** ''Dozing Off''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|魔術師メリー}}
** source: {{GFC}}

* {{Track|04|{{lang|ja|暗夜航路}}|05:03}}
** ''Dark Night Course''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|幽霊客船の時空を越えた旅}}
** source: {{UFO}}
** from [[オリエンタル夢紀行]] (Track 3)

* {{Track|05|{{lang|ja|旅烏のメランコリー}}|04:53}}
** ''A Traveller's Melancholy''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|少女秘封倶楽部}}
** source: {{GFC}}

* {{Track|06|{{lang|ja|宵陰}}|04:37}}
** ''Evening Shadows''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|平安のエイリアン}}
** source: {{UFO}}
** from [[オリエンタル夢紀行]] (Track 2)

* {{Track|07|{{lang|ja|月を食む}}|03:58}}
** ''Eat the Moon''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|月の妖鳥、化猫の幻}}
** source: {{GFC}}

* {{Track|08|{{lang|ja|夢紀行}}|04:00}}
** ''Dream Travel Journal''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|ヒロシゲ36号　～}} Neo Super-Express
** source: {{R53m}}
** from [[オリエンタル夢紀行]] (Track 1)

* {{Track|09|{{lang|ja|スターダストセレナーデ}}|04:21}}
** ''Stardust Serenade''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|ラクトガール　～ 少女密室}}
** source: {{EoSD}}

* {{Track|10|Shall we dance?|04:20}}
** arrangement: {{パプリカ}}
** original title: {{lang|ja|恋色マスタースパーク}}
** source: {{IN}}

* {{Track|11|{{lang|ja|星の向こうに}}|04:28}}
** ''Beyond the Stars''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|未知の花　魅知の旅}}
** source: {{UFMJ}}
** from [[オリエンタル夢紀行]] (Track 8)

* {{Track|12|{{lang|ja|「おはよう」}}|04:28}}
** ''"Good Morning"''
** arrangement: {{パプリカ}}
** original title: {{lang|ja|童祭　～}} Innocent Treasures
** source: {{CoSD}}

}}