Is this track rare given it's self-released?

Yes, as it is self-released by imugi 이무기 and currently has zero copies listed for sale, it holds collectible value.

What format is the music in?

The music is available in AAC file format.

The track "Greensmoke" was released in 2019.

Name: imugi 이무기 – Greensmoke (File, AAC)
Brand: imugi 이무기

Pop

What Greensmoke by imugi 이무기 is worth on the used market.

Label · Not On Label (imugi 이무기 Self-released)Format · File, AACGenre · Pop

Used

—

New / Sealed

—

Live on eBay now

JunkPal AI· resale insightanalyzing sold comps…

▍

Price data verified against · 1

Greensmoke by imugi 이무기 (2019) on File, AAC. The Discogs marketplace floor is null with 0 copies currently for sale.

Pressing, country, and condition (media + sleeve) move vinyl/CD values the most — first pressings and clean copies command a premium.

Is this track rare given it's self-released?: Yes, as it is self-released by imugi 이무기 and currently has zero copies listed for sale, it holds collectible value.
What format is the music in?: The music is available in AAC file format.
When was "Greensmoke" released?: The track "Greensmoke" was released in 2019.