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AII-1001-47837
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AI-generated disco version of Bulgarian song sold without permission

Bulgarian folk musicians Sevdalina and Valentin Spasovi reported that an AI-generated disco version of their copyrighted song 'Sine, sine' was uploaded to major streaming platforms and sold without permission under an unknown DJ's name. The musicians stated this represents a new form of violation after decades of fighting plagiarism of their work.

14 November 2025 · Spotify · Intellectual property and appropriation
14 November 2025
AII-1001-478377 sources ↓
Quick facts
Category
Intellectual property and appropriation
Country
Bulgaria
Source
Вяра
Date
14 November 2025
Drafted by
Raidu Incident Detection

What happened

Sevdalina and Valentin Spasovi, Bulgarian folk musicians and authors of the song 'Sinesinc', reported that a disco version of their song generated with artificial intelligence was uploaded to streaming platforms including Spotify, Amazon Music, Apple Music, YouTube Music, and SoundCloud without their permission.

An unknown DJ claimed ownership of the AI-generated version and sold it freely on multiple platforms under their own name. The musicians stated that YouTube removed over 2,000 videos that used their original song after they provided an official copyright license.

Reported impact

Sevdalina and Valentin Spasovi reported that the unauthorized use and AI transformation of their song represented an erasure of Bulgarian culture. They stated the song had been plagiarized repeatedly for 25 years, but this AI-generated version was a new form of violation.

The musicians reported that despite the song being included in a prestigious academic music anthology in the United States and taught in American educational institutions, it was not included in any Bulgarian music textbooks.

Index analysis

The unauthorized AI-generated disco version of a copyrighted Bulgarian folk song was distributed across major streaming platforms without the authors' consent or permission, and was sold under a false attribution to an unknown DJ.

Governance controls

Sevdalina and Valentin Spasovi stated they had been fighting plagiarism for over 25 years and had provided official copyright licenses. They reported contacting lawyers and attempting to act through Musicautor, Bulgaria's music copyright collection agency.

Classification

Category
Intellectual property and appropriation
Industry
Arts, entertainment and recreation
Country
Bulgaria
Harm status
Actual harm
Intent
Intentional
Timing
Unknown
Harm types
Reputational, Economic or property
Harmed
Business
Failure modes
Training data misuse
Consequences
Content removal
AI systems
AI system used to generate disco version

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

Вяра
Севдалина и Валентин Спасови алармират: Българската песен "Сине, сине" е под атака! Милиони копия се продават в албум със "Златните хитове на Украйна" : Вяра News - информационния всекидневник на Югозападна България
14 November 2025
168 Часа | By 24 часа онлайн
Откраднаха с AI песента "Сине, сине", продават я с чуждо име
14 November 2025
Blitz.bg
Бесен скандал: Откраднаха култовата песен "Сине, сине", авторите ѝ говорят - Шоубизнес
15 November 2025
Plovdiv24.bg
Известен български дует: Отново откраднаха песента ни, 25 години се борим с плагиатите
15 November 2025
Стандарт - Новини, които си струва да споделим
Скандал! Откраднаха култова българска песен с AI, авторите с първи коментар - Общество -- Новини Стандарт
15 November 2025
Fakti.bg
За пореден път откраднаха песента на популярния народен дует Севдалина и Валентин Спасови - Сине, сине
16 November 2025
Вестник СТРУМА
Нагла кражба на песента им "Сине, сине" от AI и неизвестен DJ потресе дует Спасови и след 30 г. тормоз те изплакаха: "Българи, помогнете ни!"
16 November 2025