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SUNNY DAY SONG/?←HEARTBEAT

2015 single by μ's
VisualArtwork single Q20749326
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SUNNY DAY SONG/?←HEARTBEAT

Summary

SUNNY DAY SONG/?←HEARTBEAT is a single[1].

Key Facts

  • SUNNY DAY SONG/?←HEARTBEAT's instance of is recorded as single[2].
  • SUNNY DAY SONG/?←HEARTBEAT followed Angelic Angel/Hello, Hoshi wo Kazoete[3].
  • SUNNY DAY SONG/?←HEARTBEAT was followed by Bokutachi wa Hitotsu no Hikari/Future Style[4].
  • SUNNY DAY SONG/?←HEARTBEAT was performed by μ's[5].
  • SUNNY DAY SONG/?←HEARTBEAT's record label is recorded as Lantis[6].
  • SUNNY DAY SONG/?←HEARTBEAT was released on July 8, 2015[7].
  • SUNNY DAY SONG/?←HEARTBEAT's lyricist is recorded as Aki Hata[8].

Product Details

The following facts are restated verbatim from public-domain and CC0 open-data sources — every line is independently verifiable against the named source's catalog.

MusicBrainz — CC0 open music encyclopedia

  • Release type: Single[9]

  • First release date: 2015-07-08[10]

  • MusicBrainz ID: 57a8e04f-c945-43c9-a499-4cc2ee9783a4[11]

Body

Authorship and Creation

SUNNY DAY SONG/?←HEARTBEAT was performed by μ's[5].

Publication

SUNNY DAY SONG/?←HEARTBEAT was released on July 8, 2015[7].

Adaptations and Inspiration

SUNNY DAY SONG/?←HEARTBEAT followed Angelic Angel/Hello, Hoshi wo Kazoete[3]. It was followed by Bokutachi wa Hitotsu no Hikari/Future Style[4].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.

Product details (FDA / USDA / NHTSA public-domain catalog data)

  1. [9] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [10] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [11] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). SUNNY DAY SONG/?←HEARTBEAT. Retrieved May 3, 2026, from https://4ort.xyz/entity/sunny-day-song-heartbeat
MLA “SUNNY DAY SONG/?←HEARTBEAT.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/sunny-day-song-heartbeat.
BibTeX @misc{4ortxyz_sunny-day-song-heartbeat_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SUNNY DAY SONG/?←HEARTBEAT}}, year = {2026}, url = {https://4ort.xyz/entity/sunny-day-song-heartbeat}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SUNNY DAY SONG/?←HEARTBEAT — https://4ort.xyz/entity/sunny-day-song-heartbeat (retrieved 2026-05-03)

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