Cobalt Hour cover

Cobalt Hour

Yumi Matsutoya · 1975

36 min · 10 tracks · J-pop

A lush tapestry of folk rock and jazz fusion, infused with intimate storytelling and smooth melodies that evoke nostalgia.

Top tracks — play these first

  • →
    COBALT HOUR Start here — establishes the sonic palette early
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    ルージュの伝言 — This track stands out for its catchy melody and poetic lyrics, reflecting themes of longing and communication that resonate deeply with listeners.
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    卒業写真 — The song captures the bittersweet essence of nostalgia and youth, showcasing Matsutoya's lyrical prowess and emotional depth.
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    何もきかないで — This track's intricate arrangement combines jazz elements with folk influences, highlighting Matsutoya's versatility as an artist and captivating listeners with its rich sound.

Elevation

Our rating, out of 100 — and why.

AI-generated from five scored dimensions. An opinion, not a measurement.

66 /100
Alpine
Higher than 89% of albums we've rated

The album blends folk rock and jazz fusion with intimate storytelling, showcasing strong craftsmanship and distinctiveness.

What we noticed

  • The album opens with a title track that features layered instrumentation, blending acoustic guitar with soft strings and brass.
  • Several tracks incorporate jazz elements, such as syncopated rhythms and improvisational solos, particularly in '航海日誌'.
  • The lyrics often tell personal stories or reflections, creating an intimate atmosphere that invites listener engagement.
  • The final track, 'アフリカへ行きたい', shifts to a more upbeat tempo, providing a contrast to the preceding songs.
Composition 25% of the score
7/10

the writing — melody, harmony, structure, lyrics

Craft 20% of the score
8/10

production, performance, arrangement

Durability 25% of the score
7/10

whether it rewards returning to it

Distinctiveness 18% of the score
8/10

whether it sounds like itself

Sequencing 12% of the score
6/10

running order, pacing, length

Influence 6/10

Significant within its genre. Reported but not counted — how far a record travelled describes its reception rather than the record, and a newer release has had less time to travel than an older one.

Is this for you?

Good fit if you like

  • steady flow with emotional peaks
  • heartfelt melodies for introspective moments
  • for afternoon relaxation
  • engaging narratives in each track

Maybe skip if you

  • seeking high-energy tracks
  • prefer standalone singles only

Where this album fits

In the catalog
Breakthrough — First album under new name, marking her transition and wider recognition.
Themes
graduation nostalgia· Tokyo twilight· introspective storytelling
Career context
Released on June 20, 1975, 'Cobalt Hour' marked Yumi Matsutoya's first album under her new stage name after transitioning from her previous identity as Yumi Arai. At this point in her career, she was beginning to solidify her status in the Japanese music scene, following her earlier successes with singles that had already established her as a significant figure in the kayōkyoku genre.
Stylistic neighbors
Anri· Mariya Takeuchi· Kiyotaka Sugiyama

Tracklist

  • 1 COBALT HOUR Start here 3:34
  • 2 卒業写真 4:11
  • 3 花紀行 2:48
  • 4 何もきかないで 3:11
  • 5 ルージュの伝言 3:03
  • 6 航海日誌 4:48
  • 7 CHINESE SOUP 3:23
  • 8 少しだけ片想い 3:17
  • 9 雨のスティション 5:15
  • 10 アフリカへ行きたい 3:10

Reference: Wikipedia · MusicBrainz · Wikidata