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

Yes, this track is self-released by Юлианна Караулова and is available in digital file format.

What is the format and release year of this music?

The music is in AAC file format and was released in 2019.

No, this listing is for the digital AAC file, and there are no physical copies currently available.

Name: Юлианна Караулова – Быть Сильными (File, AAC)
Brand: Юлианна Караулова

Pop

What Быть Сильными by Юлианна Караулова is worth on the used market.

Label · Not On Label (Юлианна Караулова Self-released)Format · File, AACGenre · Pop

Used

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New / Sealed

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Быть Сильными by Юлианна Караулова (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 since it's self-released?: Yes, this track is self-released by Юлианна Караулова and is available in digital file format.
What is the format and release year of this music?: The music is in AAC file format and was released in 2019.
Are there physical copies of "Быть Сильными" for sale?: No, this listing is for the digital AAC file, and there are no physical copies currently available.