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

Yes, as it is self-released by Urban (34) and currently shows 0 copies for sale, it may be a unique find.

What format is the music in?

The music is available in MP3 file format.

"Jednoczenie Rodzin" was released in 2019.

Name: Urban (34) – Jednoczenie Rodzin (File, MP3)
Brand: Urban (34)

Hip Hop

What Jednoczenie Rodzin by Urban (34) is worth on the used market.

Label · Not On Label (Urban (34) Self-released)Format · File, MP3Genre · Hip Hop

Used

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New / Sealed

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Live on eBay now

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Price data verified against · 1

Jednoczenie Rodzin by Urban (34) (2019) on File, MP3. 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 since it's self-released?: Yes, as it is self-released by Urban (34) and currently shows 0 copies for sale, it may be a unique find.
What format is the music in?: The music is available in MP3 file format.
When was this song released?: "Jednoczenie Rodzin" was released in 2019.