Mattias Holmgren
What happens when a pro composer hears your favorite game music?
I’m Mattias Holmgren (aka Gelhein), a Swedish producer and designer with 25+ years of industry experience. On this channel, I take deep-dive reactions into Game OSTs, breaking down the composition, sound design, and emotional impact from a professional perspective.
Beyond the music, I’m here to guide YOU in music production and creativity. I share the tricks I’ve learned over two decades to help the next generation of creative producers.
🚀 Grab my FREE Creative Booster Guide: www.morningdewmedia.com
📬 Business Inquiries: morningdewmedia@gmail.com
Join me at the intersection of games, music, and design. Subscribe for a deeper look at the sounds you love!
Posts
Mattias Holmgren
Upcoming Black Myth: Wukong OST listening stream, September 5th at 08.00 PM CET! You coming? 🍿
Any fav tracks? 🔥
I'm gonna setup the stream event asap. 🥳
2 days ago | [YT] | 9
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Mattias Holmgren
We made some really good progress in Hollow Night this evening... beat a boss. acquired some new skills! Check! Go check the VOD @GelheinGaming -> youtube.com/live/e6LfXiQHJE8?feature=share
3 days ago | [YT] | 12
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Mattias Holmgren
Hey it's time for another GAME MUSIC Listening Event stream tomorrow!
We're gonna listen and react to the Kingdom Come Deliverance 2 OST!
WHEN: Wednesday 2026-09-02, 01.30 PM CET.
Who's coming? 🦊🎻
Click link below and set your reminder! See u there! 🍿
youtube.com/live/69tBK0AJuaA?feature=share
4 days ago | [YT] | 13
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Mattias Holmgren
Hey, I need tips and ideas for upcoming Game Music Reaction live show & episodes. Throw me what u got!
💜🤘🍿👑
1 week ago | [YT] | 19
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Mattias Holmgren
Hey everyone! I’ve been away from streaming for a bit, and I’ve missed hanging out with you. Life, summer and projects pulled me in a few different directions, but I’m 400% excited to reconnect. Been practising some violin this summer, love the instrument. Also developed a fresh new synth, JORNA, it's sooo bad-ass, there's a 10-day free trial if you wanna check it out at your own pace: www.morningdewmedia.com/products/jorna/
This Wednesday we’re doing a fresh stream. I won’t spoil the theme, let’s make it a little surprise. Or do you have ideas? 😉 What would you like us to deal with in the upcoming game music shows?
Looking forward to seeing you again and picking up the creative energy where we left off.
Oh, and we have some cool stuff coming up next month too, also not gonna spoil. But I know you're gonna love the show... 🍿 To good healthy my friends!
2 weeks ago | [YT] | 78
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Mattias Holmgren
Hey. Outer Wilds playthrough just begun on my second YT channel @GelheinGaming tag along! 🥳🍿🙏
Composer Plays Outer Wilds: First Playthrough, Part 1
youtube.com/live/0eX3mTtobjM?feature=share
#outerwilds
1 month ago | [YT] | 13
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Mattias Holmgren
BAM 🔥 Beta testing of Morningdew JORNA synth (Mac version) is now open!
There are 30 slots for beta testing so hurry up.
How to participate?
Register (or use your current account) at
edu.morningdewmedia.com/ (registration is free) and send me an email
with "I wanna beta test" from the same address you used to register, and I’ll give you access!
Beta test period: 2026-07-04 - 2026-07-13
Contact me:
beta@morningdewmedia.com
2 months ago | [YT] | 16
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Mattias Holmgren
Hey, I'm preparing the closed beta of Morningdew JORNA hybrid synth. If you wanna take part of the beta testing and try out this synth before everyone else (I've got around 30 slots for the test).
The JORNA synth v0.9.0 (beta) will be fully functional without any restrictions for 10 days, so we can test it properly! Oh, this 1st beta is MAC OS only with CLAP, AU and VST3 plugin versions! Win beta will be later down the line (no date yet, as I'm porting the GUI as we speak).
Important - Before you apply to the beta test:
---------------------------------------------------------------------------
***This 1st test round is MAC OS only!**
* I've got 30 slots for the closed beta if you want in!
So hurry up if you wanna take part!
* CLAP, AU and VST3 formats included in the installer.
* There is a bundled WIP content pack attached to the plugin with some presets, samples and multisamples to get you started beta testing the synth plugin. It also supports SFZ format out of the box!
* Register FREELY at edu.morningdewmedia.com/ and send me an email (from the same account) that you want in to the "Morningdew JORNA beta testing". I will attach the beta to your account and send you an confirmation email as soon as I've got the builds ready for download.
I think that's all. So sign up, send me an email and let's get the ball rolling!
**** Morningdew JORNA Beta begins tomorrow - Friday 2026-07-03 ****
Cheers, // Mattias
2 months ago | [YT] | 16
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Mattias Holmgren
Hey, friendly reminder of our upcoming live stream listening event tonight! 🔥 A plague tale: Requiem. Oh, and we're almost turning 70.000 subscribers!!! Holy shit, how should we celebrate this amazing milestone??? 🥳
2 months ago | [YT] | 3
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Mattias Holmgren
Hey just a friendly reminder of tonights Game Music OST Listening Live Stream Event! Excited! 🥳🎸🎹🌟
Join here youtube.com/live/BJsMe915eFE?is=Y79xt2kEi1wuT0Vb
2 months ago | [YT] | 37
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