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Underground 4.0

Linkin Park EP
VisualArtwork extended_play Q2481868
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Underground 4.0

Summary

Underground 4.0 is an extended play[1]. It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Underground 4.0's instance of is recorded as extended play[3].
  • Underground 4.0's genre is nu metal[4].
  • Underground 4.0 followed Underground 3[5].
  • Underground 4.0 was followed by Collision Course[6].
  • Among the performers on Underground 4.0 was Linkin Park[7].
  • Underground 4.0's record label is recorded as Machine Shop Recordings[8].
  • Underground 4.0's country of origin is recorded as United States[9].
  • Underground 4.0 was published on November 22, 2004[10].
  • Underground 4.0's title is recorded as {'lang': 'en', 'text': 'Linkin Park Underground 4.0'}[11].

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[12]

  • First release date: 2004-11-22[13]

  • Genre(s): alternative rock, blues, hip hop, nu metal, rock[14]

  • Community tags: alternative rock, blues, hip hop, nu metal, pop/rock, rock[15]

  • MusicBrainz ID: 7b0030b7-2966-35a0-a94c-ae108a708eb0[16]

Body

Authorship and Creation

Among the performers on Underground 4.0 was Linkin Park[7].

Publication

Underground 4.0 was released on November 22, 2004[10]. Its genre is nu metal[4].

Adaptations and Inspiration

Underground 4.0 followed Underground 3[5]. It was followed by Collision Course[6].

Why It Matters

Underground 4.0 has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[2]

Related Entities

Linkin Park Machine Shop Recordings United States

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.

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

  1. [12] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [13] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [14] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  4. [15] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  5. [16] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. 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). Underground 4.0. Retrieved May 3, 2026, from https://4ort.xyz/entity/underground-4-0
MLA “Underground 4.0.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/underground-4-0.
BibTeX @misc{4ortxyz_underground-4-0_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Underground 4.0}}, year = {2026}, url = {https://4ort.xyz/entity/underground-4-0}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Underground 4.0 — https://4ort.xyz/entity/underground-4-0 (retrieved 2026-05-03)

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