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Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"

B. 133, KK IVb/10, P 2/10
VisualArtwork musical_work_composition Q11315130
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Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"

Summary

Waltz No. 18 in E-flat major, Op. posth., "Sostenuto" is a musical work/composition[1].

Key Facts

  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s instance of is recorded as musical work/composition[2].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s composer is recorded as Frédéric Chopin[3].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s genre is waltz[4].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto" is part of Waltzes[5].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s catalog code is recorded as KK IVb/10[6].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s catalog code is recorded as B 133[7].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s catalog code is recorded as WN 53[8].
  • January 1, 1840 marks the founding of Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"[9].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto" was released on January 1, 1955[10].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s tonality is recorded as E-flat major[11].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s instrumentation is recorded as piano[12].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s title is recorded as Waltz in E-flat major, B.133[13].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s on focus list of Wikimedia project is recorded as WikiProject Chopin Thematic Catalog Concordance[14].
  • Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s form of creative work is recorded as waltz[15].

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

  • Genre(s): classical[16]

  • Community tags: classical, keyboard[17]

  • MusicBrainz ID: e13a0f5e-ac3c-3c10-af36-634fe6b16e35[18]

Body

Publication

Waltz No. 18 in E-flat major, Op. posth., "Sostenuto" was released on January 1, 1955[10]. Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"'s genre is waltz[4]. Waltz No. 18 in E-flat major, Op. posth., "Sostenuto" is part of Waltzes[5].

Related Entities

Frédéric Chopin

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Grove Music Online. Retrieved . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . musiqueorguequebec.ca. musiqueorguequebec.ca. Provenance: wikidata.org.
  7. [8] ↑ . Grove Music Online. Retrieved . wikidata.org.
  8. [9] ↑ . Grove Music Online. Retrieved . wikidata.org.
  9. [10] ↑ . Grove Music Online. Retrieved . wikidata.org.
  10. [11] ↑ . Grove Music Online. Retrieved . wikidata.org.
  11. [12] ↑ . Grove Music Online. Retrieved . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.

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

  1. [16] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  2. [17] ↑ . MusicBrainz (MetaBrainz Foundation). musicbrainz.org.
  3. [18] ↑ . 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). Waltz No. 18 in E-flat major, Op. posth., "Sostenuto". Retrieved May 3, 2026, from https://4ort.xyz/entity/waltz-no-18-in-e-flat-major-op-posth-sostenuto-
MLA “Waltz No. 18 in E-flat major, Op. posth., "Sostenuto".” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/waltz-no-18-in-e-flat-major-op-posth-sostenuto-.
BibTeX @misc{4ortxyz_waltz-no-18-in-e-flat-major-op-posth-sostenuto-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Waltz No. 18 in E-flat major, Op. posth., "Sostenuto"}}, year = {2026}, url = {https://4ort.xyz/entity/waltz-no-18-in-e-flat-major-op-posth-sostenuto-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Waltz No. 18 in E-flat major, Op. posth., "Sostenuto" — https://4ort.xyz/entity/waltz-no-18-in-e-flat-major-op-posth-sostenuto- (retrieved 2026-05-03)

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