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Once Upon a Time (EP)

2019 EP by Lovelyz

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 23, 2026
Entity authorityQ64168255 ↗
Source-derived summary

Once Upon a Time is the sixth extended play (EP) by South Korean girl group Lovelyz. The album was released on May 20, 2019 by Woollim Entertainment and distributed by Kakao M. The album contains six tracks, including the lead single "Beautiful Days".

Background and release

On May 8, Woollim Entertainment released the concept picture for Once Upon a Time along with the release date on May 20. They start releasing the individual teaser picture for the album in the next day through the group's official accounts on Twitter and Facebook. The short version teaser of the title track was uploaded in YouTube and Twitter on May 14.

The title track "Beautiful Days" was revealed with the release of the album's tracklist on May 16. The next day, Lovelyz released a longer version of the music video teaser for "Beautiful Days". Their EP officially released online and physically on May 20 along with their comeback showcase.

Composition

Billboard's Tamar Herman described the lead single "Beautiful Days (When We Were Us)" as a bright and airy synth-pop track with quirky retro synths. Lyrically it tells the story of the most beautiful time.

Editorial summary

“Once Upon a Time (EP)” enters the record as 2019 EP by Lovelyz. Crown Archives preserves that source wording while asking what Once, Upon and Time can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—2019—that can be checked directly. The linked authority record independently contributes the date 2019-05-20. Its strongest next move is a source search built around Once, Upon and Time.
Editorial analysis

Why this record matters

“Once Upon a Time (EP)” is worth following because a concise public description often conceals a longer documentary argument. Here, Once, Upon and Time provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jan 23, 2026. The linked authority identifier is Q64168255. None of the 1 selected statements returned an explicit reference. The first chronological checks are 2019.

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The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Source & attribution

This entry incorporates text from “Once Upon a Time (EP)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.