{{MusicArticle
| titlejp     = 東方蓬千歌 ～{{lang|en|Sound of Chord}}～
| titlejprom  = Touhou Housenka ~Sound of Chord~
| titleen     = Touhou Songs of a Thousand Mugworts ~Sound of Chord~
| group       = [[Yellow Zebra]]
| groupCat    = Yellow Zebra
| image       = YZCD-0002.jpg
| caption     =Pictured: [[Marisa Kirisame]]
| banner      = YZCD-0002 banner.jpg
| released    = 2007-05-20
| convention  = Reitaisai 4
| genre       ={{Genre|Vocal}}, {{Genre|Pop}}, {{Genre|Electronic}}
| tracks      = 9
| length      = 33:53 (+27:55 bonus)
| catalogno   = YZCD-0002
| arranger    = {{らんてぃ}}
: {{芳葉}}
| lyricist    = {{芳葉}}
| vocalist    = {{藤宮 ゆき}}
: {{うっちー}}
| producer    = {{芳葉}}
| illustrator = [http://zumiko.blog50.fc2.com/ {{lang|ja|コミズミコ}}] (jacket ilust.)
: [http://www.purple.dti.ne.jp/sekainohate/ JiN] (label ilust.)
| website     = [http://yellow-zebra.com/cd/yzcd0002.php Link]
| description =It features vocal arrangements of themes from ''[[Embodiment of Scarlet Devil]]'', ''[[Perfect Cherry Blossom]]'' and ''[[Imperishable Night]]''.
| tracklist   = 

* {{Track|01|{{lang|ja|永遠のメロディ}}|04:23|lyrics=Lyrics: 永遠のメロディ}}
** ''Eternal Melody''
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{藤宮 ゆき}}
** original title: {{lang|ja|月まで届け、不死の煙}}
** source: {{IN}}

* {{Track|02|{{lang|ja|ハッピー}}☆{{lang|ja|サンデー}}|03:54|lyrics=Lyrics: ハッピー☆サンデー}}
** ''Happy Sunday''
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{藤宮 ゆき}}
** original title: {{lang|ja|ラクトガール　～ 少女密室}}
** source: {{EoSD}}

* {{Track|03|Shooting Star|04:24|lyrics=Lyrics: Shooting Star (Yellow Zebra)}}
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{うっちー}}
** original title: {{lang|ja|恋色マスタースパーク}}
** source: {{IN}}

* {{Track|04|Moon Light Septet|04:22|lyrics=Lyrics: Moon Light Septet}} 
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{うっちー}}
** original title: {{lang|ja|亡き王女の為のセプテット}}
** source: {{EoSD}}

* {{Track|05|{{lang|ja|境界ファンタジア}}|04:46|lyrics=Lyrics: 境界ファンタジア}}
** ''Border Phantasia''
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{藤宮 ゆき}}
** original title: {{lang|ja|ネクロファンタジア}}
** source: {{PCB}}

* {{Track|06|Dancing Step|04:25|lyrics=Lyrics: Dancing Step}}
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{うっちー}}
** original title: {{lang|ja|ブクレシュティの人形師}}
** source: {{PCB}}

* {{Track|07|{{lang|ja|紅い月}}|04:35|lyrics=Lyrics: 紅い月～story of Scarlett}}
** ''Scarlet Moon''
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{うっちー}}
** original title: U.N.{{lang|ja|オーエンは彼女なのか？}}
** source: {{EoSD}}

* {{Track|08|{{lang|ja|月の旋律}}|03:04|lyrics=Lyrics: 月の旋律}}
** ''Melody of the Moon''
** arrangement: {{らんてぃ}}, {{芳葉}}
** lyrics: {{芳葉}}
** vocals: {{藤宮 ゆき}}
** original title: {{lang|ja|竹取飛翔　～}} Lunatic Princess
** source: {{IN}}

* {{Track|09|{{lang|ja|トーク}}|27:55}}
** ''Talk''
}}