Nightingale – open-source karaoke app that works with any song on your computer
nightingale.cafe
March 18, 2026
1 min read
🔥🔥🔥🔥🔥
69/100
Summary
Nightingale offers karaoke functionality by isolating vocals from instrumentals using the UVR Karaoke model or Demucs, with adjustable guide vocal volume. It features word-level lyrics transcribed and aligned by WhisperX, real-time pitch scoring with star ratings, and multiple player profiles for tracking individual score histories.
Key Takeaways
- Nightingale uses the UVR Karaoke model or Demucs for stem separation, isolating vocals from instrumentals with adjustable guide vocal volume.
- The application transcribes and aligns lyrics using WhisperX, with existing lyrics sourced from LRCLIB when available.
- Nightingale supports video file formats like .mp4 and .mkv, allowing vocals to be separated while the original video plays in the background.
- The software operates on Linux, macOS, and Windows, utilizing GPU acceleration via CUDA or Metal when available.
Coverage & discussions
Hacker News · nightingale.cafe
Community discussions
Community Sentiment
Positives
- Nightingale's ability to separate vocals from instrumentals and generate synced lyrics showcases impressive machine learning capabilities, enhancing user experience in karaoke.
- The app's local operation and lack of subscriptions or telemetry prioritize user privacy, which is increasingly important in today's digital landscape.
- The open-source nature of Nightingale fosters community involvement and innovation, potentially leading to further enhancements and features driven by user feedback.
Concerns
- A security vendor flagged the .EXE file, which raises concerns about potential risks, even if the threat is considered low.
![Introduction to Computer Music (2009) [pdf]](https://pub-90f0ac00d93c47daac3e1d2cdd28d496.r2.dev/articles/b8f542b9ea390de95cc262f7361cc55e.webp)
