{{MusicArticle
| titlejp     ={{lang|en|Quartet -}} 東方幻樂四重奏
| titlejprom     =Quartet - Touhou Gengaku Yonjuusou
| titleen     =Quartet - Touhou Fantasy Quartet
| group       =Sepher Project
| image       =Sepher_Project-Quartet.JPG
| released    =2005-08-14
| convention  =Comiket 68
| tracks      =7
| website     =[http://www.sepher-project.jp/ Link]
| banner      =Sepher_Project_bnr_sml.jpg
| length      =23:13
| arranger    =K's Galley
| illustrator ={{lang|ja|佐倉}}
| catalogno   =
| tracklist   =

*01. '''{{lang|ja|幻視の夜}}'''   ''(02:09)''
** original title: {{lang|ja|幻視の夜　～}} Ghostly Eyes
** source: {{IN}}

*02. '''{{lang|ja|遠野幻想物語}}'''   ''(02:57)''
** original title: {{lang|ja|遠野幻想物語}}
** source: {{PCB}}

*03. '''{{lang|ja|プレインエイジア}}'''   ''(02:21)''
** original title: {{lang|ja|プレインエイジア}}
** source: {{IN}}

*04. '''{{lang|ja|懐かしき東方の血}}'''   ''(06:11)''
** original title: {{lang|ja|懐かしき東方の血　～}} Old World
** source: {{IN}}

*05. '''{{lang|ja|ボーダーオブライフ}}'''  ''(03:57)''
** original title: {{lang|ja|ボーダーオブライフ}}
** source: {{PCB}}

*06. '''{{lang|ja|千年幻想郷}}''' ''(02:49)''
** original title: {{lang|ja|千年幻想郷　～}} History of the Moon
** source: {{IN}}

*07. '''{{lang|ja|プレインエイジア}} - Quartet Live Version'''   ''(02:49)''
** original title: {{lang|ja|プレインエイジア}}
** source: {{IN}}
}}