{{MusicArticle
| titleen     =理想郷の玄冬
| group       =[[空彩観測。]]
| groupCat    =
| released    =2012-12-30
| convention  =Comiket 83
| tracks      =4
| length      =
| catalogno   =N/A
| genre       ={{Genre|Vocal}}, {{Genre|Rock}}
| website     =[http://cieletlune.web.fc2.com/ Link]
| image       =理想郷の玄冬.jpeg
| banner      =
| arranger    ={{lang|ja|杷月}}
| lyricist    ={{lang|ja|都馬}}
| vocalist    ={{lang|ja|佐藤早苗}}
| producer    =
| illustrator ={{lang|ja|月深雪乃}}
| designer    =
| masterer    ={{lang|ja|采原史明}}
| other_staff =

| description =It features vocal arrangements of themes from ''[[Mountain of Faith]]'', ''[[Perfect Cherry Blossom]]'' and ''[[Phantasmagoria of Flower View]]''.

| tracklist   =
* {{Track|01|理想郷の玄冬|04:40|lyrics=理想郷の玄冬}}
** arrangement: {{lang|ja|杷月}}
** lyrics: {{lang|ja|都馬}}
** vocals: {{lang|ja|佐藤早苗}}
** original title: {{lang|ja|妖怪の山}}　～ Mysterious Mountain
** source: {{MoF}}

* {{Track|02|理想郷の玄冬　-Instrumental-|04:38}}
** arrangement: {{lang|ja|杷月}}
** original title: {{lang|ja|妖怪の山}}　～ Mysterious Mountain
** source: {{MoF}}

* {{Track|03|In Bloom(Instrumental)}}
** arrangement: {{lang|ja|杷月}}
** original title: {{lang|ja|東方妖々夢}}　～ Ancient Temple
** source: {{PCB}}

* {{Track|04|Flight.(Instrumental)}}
** arrangement: {{lang|ja|杷月}}
** original title: {{lang|ja|今昔幻想郷}}　～ Flower Land
** source: {{PoFV}}
| notes       = Track 3 and 4 are bonus tracks
}}