https://nightingale.cafe/

Nightingale Nightingale
Features How it works Docs   Download

Nightingale

Turn any song into karaoke. A self-contained party game that
separates vocals, transcribes lyrics, and plays it all back with
word-level sync and pitch scoring.

Linux
x86_64 ARM (aarch64)
macOS
Windows
Docs

Features

 Stem separation

Vocals are isolated from instrumentals using the UVR Karaoke model or
Demucs. Guide vocal volume is adjustable.

 Word-level lyrics

WhisperX transcribes and aligns every word to the audio. Existing
lyrics from LRCLIB are used when available.

 Pitch scoring

Sing into your mic and get scored in real-time. Star ratings and
per-song scoreboards track your progress.

 Player profiles

Multiple profiles with separate score histories. Switch between
singers without losing anyone's records.

 Video file support

Drop .mp4 or .mkv files into your library. Vocals are separated and
the original video plays as the background.

 Dynamic backgrounds

GPU shader effects (plasma, aurora, nebula...), Pixabay video loops,
or the source video for video files.

 Gamepad

Navigate menus, pick songs, and control playback entirely with a
controller. D-pad, sticks, face buttons.

 Single binary

ffmpeg, Python, PyTorch, and the ML models are all bootstrapped on
first launch. Nothing to install.

How it works

Separate

UVR Karaoke or Demucs splits the track into vocals and instrumental.
Audio is extracted from video files automatically.

Transcribe

Synced lyrics are looked up on LRCLIB first. If nothing's found,
WhisperX transcribes the vocals with word-level alignment.

Play

The instrumental plays back with highlighted lyrics, pitch scoring,
dynamic backgrounds, and gamepad support.

Platforms

Runs on Linux, macOS, and Windows. GPU acceleration via CUDA or Metal
when available, CPU fallback everywhere else.

Linux x86_64, aarch64
macOS ARM, Intel
Windows x86_64

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