Creating a powerful Digital Audio Workstation (DAW) setup on Linux, specifically for beat making, remixing, and vocal extraction, involves leveraging a suite of tools each chosen for their strengths in different aspects of music production. Here's a comprehensive reference guide to building out your DAW with the capabilities of each tool identified:

### Core DAW for Recording, Editing, and Mixing

**Ardour**
- **Capabilities**:
  - Multitrack recording and editing of audio and MIDI.
  - Comprehensive mixing console with automation and plugin support.
  - Support for a wide range of audio plugins: LV2, VST, LADSPA, and AU.
  - MIDI sequencing and editing, including support for virtual instruments.
- **Usage**: Ardour serves as the central hub for your DAW, handling recording, complex editing, arrangement, and mixing tasks. It's your go-to for integrating various elements of your projects, from instrumental tracks to vocals.

### Beat Making and Electronic Music Composition

**LMMS (Linux MultiMedia Studio)**
- **Capabilities**:
  - Beat making with built-in drum machines and samplers.
  - Synthesis with various synthesizers for creating electronic sounds.
  - Piano Roll for MIDI editing and composition.
  - VST and LADSPA plugin support for additional instruments and effects.
  - Built-in samples and presets.
- **Usage**: LMMS is particularly useful for creating beats, synthesizing new sounds, and arranging electronic music compositions. It’s ideal for the initial stages of music production, especially for electronic genres.

### Vocal and Stem Separation

**Spleeter by Deezer**
- **Capabilities**:
  - Uses machine learning to separate tracks into stems: vocals, drums, bass, and others.
  - Can separate audio files into two, four, or five stems.
  - Operates from the command line for efficient batch processing.
- **Usage**: Use Spleeter for extracting vocals from tracks for remixing or sampling purposes. It’s also valuable for creating acapellas and instrumentals for DJ sets or live performances.

### Effects and Mastering

**Calf Studio Gear**
- **Capabilities**:
  - A comprehensive collection of audio effects and mastering tools.
  - Includes EQs, compressors, reverbs, delays, modulation effects, and more.
  - GUI for easy control and manipulation of effects.
- **Usage**: Integrate Calf Studio Gear with Ardour for applying professional-grade effects during mixing. The tools can also be used for mastering tasks to polish the final mix.

### MIDI and Virtual Instrumentation

**Qsynth / FluidSynth**
- **Capabilities**:
  - SoundFont synthesizer for playing back MIDI files or live MIDI input.
  - GUI (Qsynth) for easy management of SoundFonts and settings.
  - Can be used standalone or integrated with DAWs like Ardour.
- **Usage**: Enhance your projects with virtual instruments using Qsynth/FluidSynth, especially useful for genres requiring orchestral or synthesized sounds not readily available from live recording.

### Integration and Workflow

- **Ardour as the Hub**: Use Ardour for bringing together elements from LMMS and vocal tracks processed by Spleeter, applying effects via Calf Studio Gear, and incorporating virtual instruments through Qsynth/FluidSynth.
- **Spleeter for Preprocessing**: Before mixing and mastering in Ardour, preprocess tracks with Spleeter to isolate vocals or other desired stems.
- **LMMS for Creation**: Start your projects in LMMS to lay down beats and synth lines, then export stems or individual tracks for further processing and integration in Ardour.
- **Effects and Mastering with Calf**: Utilize Calf Studio Gear within Ardour to apply effects and perform basic mastering, ensuring your project is sonically cohesive and polished.

### Additional Tools and Resources

- **JACK Audio Connection Kit**: Essential for routing audio and MIDI between applications in real-time, enhancing the flexibility of your DAW setup.
- **Community Support and Tutorials**: Both Ardour and LMMS have active communities with forums, tutorials, and video content available to help you get started and solve any issues you encounter.

### Conclusion

This setup provides a robust foundation for a wide range of music production tasks on Linux, from beat making and remixing to vocal extraction and mixing/mastering. By understanding and leveraging the strengths of each tool, you can create a powerful and flexible DAW environment tailored to your specific music production needs.