diff --git a/Audio-Tools.md b/Audio-Tools.md
index 8535e1a98..18dccdb2e 100644
--- a/Audio-Tools.md
+++ b/Audio-Tools.md
@@ -181,7 +181,7 @@
 * 🌐 **[Awesome Music Production](https://github.com/ad-si/awesome-music-production)**, [Awesome Music](https://github.com/noteflakes/awesome-music) or [AFreeStudio](https://www.afreestudio.com/) - Music Production Indexes
 * ↪️ **[AI Song Generators](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/ai#wiki_.25BA_audio_generators)**
 * ↪️ **[Remove Vocals](https://www.reddit.com/r/FREEMEDIAHECKYEAH/wiki/storage#wiki_remove_vocals)**
-* [AudioChum](https://audiochum.com/), [Acapella-Extractor](https://www.acapella-extractor.com/), [splitmysong](https://www.splitmysong.com/), [free-music-demixer](https://freemusicdemixer.com/), [ezstems](https://ezstems.com/) or [melody ml](https://melody.ml/) - Separate Voice from Instrumentals
+* [AudioChum](https://audiochum.com/), [Demucs](https://github.com/adefossez/demucs) / [Colab](https://colab.research.google.com/drive/1dC9nVxk3V_VPjUADsnFu8EiT-xnU1tGH?usp=s), [Acapella-Extractor](https://www.acapella-extractor.com/), [splitmysong](https://www.splitmysong.com/), [free-music-demixer](https://freemusicdemixer.com/), [ezstems](https://ezstems.com/) or [melody ml](https://melody.ml/) - Separate Voice from Instrumentals
 * [Adobe Enhance](https://podcast.adobe.com/enhance) - Speech Enhancer
 * [Chowdhury DSP](https://chowdsp.com/products.html) - Audio Signal Processing
 * [AudioAlter](https://audioalter.com/preset/8d-audio) - Create '8D' Audio
@@ -240,6 +240,7 @@
 
 ## ▷ Audio Synthesizers
 
+* ⭐ **[Drumha](https://www.drumha.us/)**, [iO-808](https://io808.com/), [Sequencer64](https://www.sequencer64.com/), [Drummy](https://drummy.io/), [Hammmerhead](http://www.threechords.com/hammerhead/), [orDrumbox](https://www.ordrumbox.com/) or [Hydrogen](http://hydrogen-music.org/) - Virtual Drum Machine
 * [/r/SynthRecipes](https://www.reddit.com/r/synthrecipes/) - Synth Request Subreddit
 * [samplv1](https://samplv1.sourceforge.io/) - Voice Synth
 * [WebSynths](https://www.websynths.com/) or [Roland50](https://roland50.studio/) - Web Synths
@@ -252,7 +253,6 @@
 * [SunVox](https://warmplace.ru/soft/sunvox/)
 * [QasarBeach](https://adamstrange.itch.io/qasarbeach)
 * [Roland50.studio](https://roland50.studio/) - Drum Machine / TB-303 Bass Synth
-* [iO-808](https://io808.com/), [Sequencer64](https://www.sequencer64.com/), [Drummy](https://drummy.io/), [Hammmerhead](http://www.threechords.com/hammerhead/), [orDrumbox](https://www.ordrumbox.com/) or [Hydrogen](http://hydrogen-music.org/) - Virtual Drum Machine
 * [Dot Piano](https://dotpiano.com/), [The 88](https://impactsoundworks.com/product/the-88e/) (enter $0) or [VirtualPiano](https://virtualpiano.net/) - Virtual Pianos
 * [MK-1](https://ericrosenbaum.github.io/MK-1/) - Online Sampling Keyboard
 * [React Guitar](https://react-guitar.com/) - Virtual Guitar