Canephron · TV spot
Sound Branding · Hamburg
Sound branding for brands people recognise.
Sound logos, brand music and brand voices. For 24 years, from Hamburg.
Listen: sound logos and jingles
See all sound logosImupretJingle
EDEKA“Heartbeat” brand SFX
bonprixSound logo
RamazzottiSound logo
KoelnmesseSound logo
Riyadh MetroSound logo
Sound logo design
Work
Recent productions
CEWE · TV campaign 2026
Jule & Liss
Read the case
CEWE · TV campaign 2026
Familie Giacomantonio
Read the case
More work
Services
One brand sound for every channel
How a brand sounds – from the first note to the finished spot.
Sonic DNA & sound logo
Analysis, workshops and the sound logo as the core of the sonic identity.
- Brand & audio analysis
- Sound logo
- Sound guidelines
Brand music & brand voice
The sonic DNA turns into music and voice – for spots, events and social media.
- Brand music for campaigns
- Brand voice & casting
- Sound design for products & apps
- Mix & mastering
Use across all channels
Recognisable everywhere – and with AI, faster in variants, languages and lengths.
- Rollout to all touchpoints
- AI voices & variants
- Sound management
Individual parts can also be booked on their own, for example brand music for a campaign.
Sound branding at a glanceWhy sound
Brands you can hear stay in mind
Brands invest a lot in logos, colours and images. One layer often goes unused:
Sound.
Sound goes straight to the emotions and stays in memory – often longer than images and words. That is where sound branding comes in.
Process
How a project works
-
Get to know
We talk about the brand, the goal and where it should be heard.
-
Concept & demos
First sonic directions to listen to – together we choose the way forward.
-
Production & rollout
Final sounds, guidelines and every format, ready for use.
Why 42
The answer to almost everything
42 is the answer to almost everything – according to Douglas Adams. Here it meets the power of sound.
Science and emotion, technology and creativity belong together. That is how voices are made that stay with a brand.
Sound is a universal language: it connects, moves and stays in memory. It starts with the open questions – and ends with what makes a brand special, translated into sound.
Photo: Dominique Brewing
About me
Christoph Groß-Fengels
Founder of 42 Sounds · Hamburg24 years in sound – as a creative, as managing director and now also with in-house AI tools.
15 years at the helm of a sound branding agency, with projects for McDonald's, Bosch, BMW, KIA, EDEKA, bonprix and CEWE and work in the USA, the UK, Saudi Arabia and the Netherlands.
- years in sound
- 24
- years as managing director
- 15
- international projects
- 50+
- awards
- 6
- Red Dot Design Award
- ADC Nagel
- International Sound Awards
- Deutscher Wirtschaftsfilmpreis
- German Brand Award
A selection from 24 years of sound branding
On stage
Talks & workshops
FMX 2026 · Stuttgart
Photo: Dominique Brewing
From Pixels to Waveforms: How AI Bridges the Gap Between Picture and Sound
Custom AI tools read the edit, evaluate keyframes and suggest matching sounds and MIDI – as a Python workflow that fits into existing post-production. In the sound design track alongside Nina Hartstone and David Fluhr.
View in the FMX program
Hands-on: AI tools in the audio workflow for moving-image sound design
Workshop, 60 minutes, moderated by André Klar.
Knowledge
