J CONCERT Entertainment #278714442

133

members (measured 12 Nov 2026, 17:23 UTC)

3 June 2026

created (per Roblox API)

11 August 2026

first measured by this register

Description

I DON'T KNOW

Written by the group; not a statement by this register.

Membership history

Growth

10 measurements spanning 90 days, net +124. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
9 Nov 2026, 07:38	133	+3
8 Nov 2026, 08:10	130	+2
6 Nov 2026, 12:54	128	+13
22 Oct 2026, 16:21	115	+10
18 Oct 2026, 15:26	105	+2
17 Oct 2026, 07:26	103	+5
12 Oct 2026, 12:13	98	+3
1 Oct 2026, 04:04	95	+5
23 Sept 2026, 04:33	90	+81
11 Aug 2026, 03:41	9	first reading

Daily: the last measured count of each UTC day. Days with no new reading have no point. The full per-reading record is in the CSV and JSON downloads below.

Ownership

Owned by RomeoJoaonathan (@baronjoaochow) as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

RomeoJoaonathan (@baronjoaochow) — PEMILIK (rank 255)

Jen (@jenalongg) — Dev (rank 254)

JulietteBerbyshu (@BerbyExhale_19) — ADMIN (rank 2)

CLOUD_OWNxVIOR (@King_vior) — Anggota (rank 1)

DSx_OWNRxDJsewai88 (@djsewai) — ANGGOTA (rank 1)

RyuuEther (@zee280697) — ANGGOTA (rank 1)

GHLxDiyuu_VSC (@Df07204) — ANGGOTA (rank 1)

YazxLNC (@YusYaz08) — ANGGOTA (rank 1)

ZANN_OwnWLTP (@Zannkik1) — ANGGOTA (rank 1)

ohMiuu (@meyyshachy) — ANGGOTA (rank 1)

putt (@Anggunchantiik) — ANGGOTA (rank 1)

ZeyyRaa (@zeyyDiks) — ANGGOTA (rank 1)

Girls_xNOIRE (@Dewinda234) — ANGGOTA (rank 1)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Name history

J CONCERT Entertainment — seen 27 September 2026 → current

baronjoaochow — seen 11 August 2026 → 27 September 2026

Rank structure

PEMILIK1

DEVELOPER1

ADMIN1

ANGGOTA9

Tamu0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

SyraStudios#603950093 · 7 shared members

Catalog Avatar Creator#15102943 · 5 shared members

Majelis Cidro#100395357 · 5 shared members

DEWNEY CLUB#279979250 · 5 shared members

PNS Studio#1101282610 · 5 shared members

Pandawa Universe#111795611 · 4 shared members

Made In Heaven By Saka#808857690 · 4 shared members

Zuldev Studio#720391564 · 4 shared members

Journeyverse#677621627 · 4 shared members

ASABOY STUDIO#268879608 · 4 shared members

RVNXX CREATIVE#734250274 · 4 shared members

REST AREA STUDIO#364889335 · 4 shared members

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.