Protector of The Night @EdmundNox - Twitter Profile

18 days ago

Take any song on Earth. Any artist. Any era. Upload it. Click one button. The AI splits it into individual tracks. Vocals in one file. Drums in another. Bass in another. Guitar in another. The Beatles. Kendrick. Taylor Swift. Billie Eilish. A cassette your father recorded in 1974. Every instrument separated. Clean. Individual. Playable. Studios could not do this cleanly ten years ago. If you did not have the original session files from the mixing engineer, the vocals and instruments were fused together forever. Then in 2020, two pseudonymous developers who go by Anjok07 and aufr33 uploaded a Windows app to GitHub. Free. MIT licensed. No ads. No account required. It is called Ultimate Vocal Remover. UVR5. 25,833 stars on GitHub. And here is the number nobody talks about. One release, v5.6 from September 2023, has been downloaded 5,161,858 times directly from GitHub. The full release history sits at over 6 million downloads. Six million people quietly downloaded one open source tool to do what the music industry sells as a premium AI feature. Here is what it separates. Two-stem mode. Vocals and instrumental. A karaoke track from any song in minutes. Four-stem mode. Vocals, drums, bass, and other. Every rhythm section on its own layer. Six-stem mode. Vocals, drums, bass, guitar, piano, and other. Three AI engines built in. MDX-Net for clean vocal isolation. Meta's Demucs v4 for multi-stem separation. VR Architecture for post-processing to strip reverb and echo from extracted vocals. Chain them together. Extract vocals with MDX-Net. Clean them with VR. Studio-grade acapella from a YouTube rip. Here is who uses this. DJs pulling acapellas for live sets without begging labels for stems. Producers sampling drum breaks from 1970s funk records. Music teachers isolating a bass line for students to practice against. Karaoke makers turning any song into an instrumental track. Podcasters removing background music from an interview. Filmmakers extracting dialogue from a scene with a soundtrack. Guitarists learning a solo by hearing it in complete isolation. Here is what the paid alternatives charge. https://t.co/otdeBPO0xL: $9.99 to $19.99 a month, with one-time top-up packs from $50 to $300. Moises Pro: $29.99 a month on the US App Store. iZotope RX 12, the post-production industry standard, sells its Advanced edition in the four-figure range. UVR5: $0. Unlimited songs. Unlimited stems. On your machine. Runs on Windows, macOS, and Linux. Works on CPU or GPU. NVIDIA CUDA and Apple Silicon both supported. One honest note. The last GitHub push was March 2025 and v5.6 is still the current release. In most repos that would be a red flag. Here it means the tool works so well that 5 million people downloaded one release and never needed a v5.7. The upstream models it wraps around, Demucs from Meta and MDX-Net, are the state of the art in audio source separation. Six million downloads. 25,833 stars. MIT licensed. Every song is made of layers. UVR5 peels them apart. (Link in the comments)

heynavtoor's tweet photo. Take any song on Earth. Any artist. Any era.

Upload it. Click one button.

The AI splits it into individual tracks. Vocals in one file. Drums in another. Bass in another. Guitar in another.

The Beatles. Kendrick. Taylor Swift. Billie Eilish. A cassette your father recorded in 1974.

Every instrument separated. Clean. Individual. Playable.

Studios could not do this cleanly ten years ago. If you did not have the original session files from the mixing engineer, the vocals and instruments were fused together forever.

Then in 2020, two pseudonymous developers who go by Anjok07 and aufr33 uploaded a Windows app to GitHub. Free. MIT licensed. No ads. No account required.

It is called Ultimate Vocal Remover. UVR5.

25,833 stars on GitHub. And here is the number nobody talks about. One release, v5.6 from September 2023, has been downloaded 5,161,858 times directly from GitHub. The full release history sits at over 6 million downloads.

Six million people quietly downloaded one open source tool to do what the music industry sells as a premium AI feature.

Here is what it separates.

Two-stem mode. Vocals and instrumental. A karaoke track from any song in minutes.
Four-stem mode. Vocals, drums, bass, and other. Every rhythm section on its own layer.
Six-stem mode. Vocals, drums, bass, guitar, piano, and other.

Three AI engines built in.

MDX-Net for clean vocal isolation. Meta's Demucs v4 for multi-stem separation. VR Architecture for post-processing to strip reverb and echo from extracted vocals. Chain them together. Extract vocals with MDX-Net. Clean them with VR. Studio-grade acapella from a YouTube rip.

Here is who uses this.

DJs pulling acapellas for live sets without begging labels for stems.
Producers sampling drum breaks from 1970s funk records.
Music teachers isolating a bass line for students to practice against.
Karaoke makers turning any song into an instrumental track.
Podcasters removing background music from an interview.
Filmmakers extracting dialogue from a scene with a soundtrack.
Guitarists learning a solo by hearing it in complete isolation.

Here is what the paid alternatives charge.

https://t.co/otdeBPO0xL: $9.99 to $19.99 a month, with one-time top-up packs from $50 to $300.
Moises Pro: $29.99 a month on the US App Store.
iZotope RX 12, the post-production industry standard, sells its Advanced edition in the four-figure range.

UVR5: $0. Unlimited songs. Unlimited stems. On your machine.

Runs on Windows, macOS, and Linux. Works on CPU or GPU. NVIDIA CUDA and Apple Silicon both supported.

One honest note. The last GitHub push was March 2025 and v5.6 is still the current release. In most repos that would be a red flag. Here it means the tool works so well that 5 million people downloaded one release and never needed a v5.7. The upstream models it wraps around, Demucs from Meta and MDX-Net, are the state of the art in audio source separation.

Six million downloads. 25,833 stars. MIT licensed.

Every song is made of layers. UVR5 peels them apart.

(Link in the comments)

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Protector of The Night

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