Mixing & Mastering Engineers, Producers & Songwriters who worked with Haen

Hi, I’m Kartini, Berlin’s nicest Indie Pop Diva with a soft spot for Electronica. I have been releasing music as a solo artist since 2020 and have been part of the Indie music scene since 2014 as the singer of the Future Bass group COMODO. My artist project, KARTINI, is all about being soft, honest, and taking up space. Let's chat!

Filippo Barbieri is a London based freelance producer, engineer and mixer. As a sound engineer he has trained to perform highly within the audio industry going from recording, mixing, and mastering to music production, sound design and remixing.

Indie/Alternative/Pop Producer in Cologne

Check Out My Portfolio, I Make Hits, No Promotion, Unsigned Artists But We Still Hit Million Views On Our Own Youtube Channel. The Music Speaks For Itself!

Hitmaker singer-songwriter, with edgy, versatile vocals with strong toplines, recently introduced by Billboard and featured in multiple Spotify Editorial Playlists.

I am a session musician, producer, mixing engineer, songwriter and singer etc

🎻 Grammy-Winning Violinist | Studio & Live | Versatile & Soulful Strings

You bring the talent—I’ll make sure the world hears it the way it deserves to be heard.If you're looking for sonic excellence that translates into chart-topping, emotionally resonant sound, then you're looking at the right engineer. I don’t just mix tracks—I craft immersive sonic landscapes that make listeners feel, move, and remember.

Versatile and creative, Matt is a session cellist and arranger who has recorded for Paramount+ (A Gentleman in Moscow), Disney (A Wish For The Holidays), Take That and The Northern Film Orchestra.