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21?! EP

extended play by Maarja Kivi
VisualArtwork extended_play Q3286491
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21?! EP

Summary

21?! EP is an extended play[1].

Key Facts

  • 21?! EP's instance of is recorded as extended play[2].
  • 21?! EP's genre is heavy metal music[3].
  • Among the performers on 21?! EP was Maarja Kivi[4].
  • 21?! EP's language of work or name is recorded as English[5].
  • 21?! EP was published on 2008[6].

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: EP[7]

  • First release date: 2008-01-01[8]

  • Genre(s): heavy metal[9]

  • Community tags: heavy metal[10]

  • MusicBrainz ID: 3b3b9846-3105-33b4-b922-4ea8a019b374[11]

Body

Authorship and Creation

Among the performers on 21?! EP was Maarja Kivi[4].

Publication

21?! EP was released on 2008[6]. Its language of work or name is recorded as English[5]. Its genre is heavy metal music[3].

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.

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

  1. [7] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [8] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [9] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  4. [10] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  5. [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). 21?! EP. Retrieved May 3, 2026, from https://4ort.xyz/entity/21-ep
MLA “21?! EP.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21-ep.
BibTeX @misc{4ortxyz_21-ep_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21?! EP}}, year = {2026}, url = {https://4ort.xyz/entity/21-ep}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21?! EP — https://4ort.xyz/entity/21-ep (retrieved 2026-05-03)

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