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Overview

奏者はただ背中と提琴で語るのみ (Sousha wa tada senaka to violin de kataru nomi) is the second solo song for Nachi Tsukisuzu (月鈴那知), a member of the fictional band Irodorimidori (イロドリミドリ) from Sega's rhythm game universe. Voiced by Ayaka Imamura (今村彩夏), the character is portrayed as a self-proclaimed genius violinist, a persona the song's title and lyrics lean into heavily. The track was composed, arranged, and penned by cosMo@暴走P (cosMo@BousouP), whose high-energy, classically-infused style is immediately recognizable in the relentless 230 BPM pace and dramatic orchestration. The music video was created by 鑓田 (alpha complex). The song first appeared in CHUNITHM STAR in November 2017 and crossed over to maimai FiNALE on March 8, 2019. Its full version, along with an instrumental, appears on the third Irodorimidori album 卒業 (Sotsugyou). In maimai, the song originally sat under the ORIGINAL & JOYPOLIS genre before later being reclassified under オンゲキ & CHUNITHM starting with でらっくす PLUS. The Master chart, designed by 小鳥遊さん, stands out as one of the higher-level challenges in the FiNALE era with a dense 929-note count and 61 Break notes packed into a 13+ difficulty bracket.

Videos

Official PV

Open

Master chart

Open

Expert chart

Open

Charts

STD

BASIC
7(7)
295 notesDesigner: -|Tap 220Hold 56Slide 12Break 7
ADVANCED
9(9)
434 notesDesigner: -|Tap 384Hold 27Slide 22Break 1
EXPERT
12(12.3)
616 notesDesigner: 某S氏|Tap 501Hold 45Slide 60Break 10
MASTER
13+(13.8)
929 notesDesigner: 小鳥遊さん|Tap 698Hold 60Slide 110Break 61

Trivia

  • The song's Japanese title translates roughly to 'The performer only speaks with their back and violin', a poetic nod to Nachi Tsukisuzu's prideful, theatrical personality as a violinist character within the Irodorimidori band.
  • Composer cosMo@BousouP is best known in the rhythm game community for works such as 初音ミクの消失 (The Disappearance of Hatsune Miku) and デッドマンズバラッド (Deadman's Ballad), both of which also appear in maimai.
  • This is Nachi Tsukisuzu's second solo song in the Irodorimidori discography, following her character debut.
  • The track was first introduced to arcades via CHUNITHM STAR on November 22, 2017, making its maimai appearance more than a year later on March 8, 2019.
  • The full version of the song, which extends the lyrics with additional verses, was released on the Irodorimidori album 卒業 (Sotsugyou), alongside an instrumental version.
  • In maimai, the song's genre classification has shifted twice: it debuted under ORIGINAL & JOYPOLIS in FiNALE, moved to ORIGINAL in でらっくす, and was reassigned to オンゲキ & CHUNITHM from でらっくす PLUS onward.
  • Retroactively, this song holds the distinction of being the first Irodorimidori track to reach Level 13 in CHUNITHM.
  • The song was added back to CHUNITHM SUPER STAR PLUS on September 30, 2021 after a period of absence from the CHUNITHM lineup.
  • The Master chart (13.8 constant, designed by 小鳥遊さん) is particularly dense with 929 total notes including 61 Break notes, demanding both stamina and precision at 230 BPM.
  • The Expert chart was designed by 某S氏 (Bou S shi), a maimai chart designer known for several high-level charts in the FiNALE era.

FAQ

Who composed Sousha wa tada senaka to violin de kataru nomi?
The song was composed, arranged, and written by cosMo@BousouP (cosMo@暴走P), known for other rhythm game staples like 初音ミクの消失 and デッドマンズバラッド.
When was Sousha wa tada senaka to violin de kataru nomi added to maimai?
It was added to maimai FiNALE on March 8, 2019, after first appearing in CHUNITHM STAR on November 22, 2017.
What is Sousha wa tada senaka to violin de kataru nomi about?
The title translates to 'The performer only speaks with their back and violin,' and the lyrics depict a self-styled genius violinist facing a decisive battle, using music and pride as weapons against an impending calamity.
Who is the vocalist for Sousha wa tada senaka to violin de kataru nomi?
The vocals are performed by Ayaka Imamura (今村彩夏) as the Irodorimidori character Nachi Tsukisuzu (月鈴那知).
What difficulty levels are the maimai charts for Sousha wa tada senaka to violin de kataru nomi?
The standard charts are Basic at level 7, Advanced at level 9, Expert at level 12 (constant 12.3), and Master at level 13+ (constant 13.8).
Who designed the Master chart for Sousha wa tada senaka to violin de kataru nomi in maimai?
The Master chart was designed by 小鳥遊さん (Takanashi-san), while the Expert chart was designed by 某S氏 (Bou S shi).
Is there a full version of Sousha wa tada senaka to violin de kataru nomi?
Yes, the full version appears on the third Irodorimidori album 卒業 (Sotsugyou), which also includes an instrumental version of the song.