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

I'm Sandra Iris. I'm an alto Spanish singer and songwriter (100k listeners). My voice is known for its warm and soft sound (think of Billie Eilish) I also collaborate with other producers for their original songs or covers... I usually sing pop but I can also sing dark pop, rock, trip-hop, latin pop, afro-house...I also write lyrics in Spanish.

Transforming raw emotion into polished sound. I specialize in mixing & mastering that elevates your vision — clean, punchy, and ready for release. Let’s bring your music to life with clarity, depth, and energy that hits every time.

Hi, I'm Alex. My personal ethos revolves around getting the most out of the resources available to you to create something full of character and bespoke to the artist. I have an extremely eclectic knowledge of music which I will utilise to find ways to enhance.....

All Japanese most famous Tv series broadcasted and published in Italy on blu-ray are nowadays mastered by me.I can master soundtracks,tv spots,trailers and dubbed mixes.I have 15 years of experience in audio mastering for broadcast.Contact me if you want your product to sound really good and be conformed to different broadcasting standards.

Mixed recordings of more than 40 live sessions and concerts

Hello. My name is Olavur and I am from Faroe Islands, near Denmark. I work as a studio producer and engineer with experience in Country and Folk music. If you need your tracks to be mixed or mastered, you are more than welcome to contact me, and we'll figure something out :-)

I am an indie composer focused on orchestral and videogame music, but highly flexible in terms of genre. With a degree on music theory and experience on game, movies, VTubers BGM, synth vocals and RPG campaigns tracks, I can bring your idea to life!

Renowned online Mixing & Mastering service. Working with production for over 11 years, with some tracks released on labels like: Musical Freedom, Spinnin Records, Controversia, Actuation and many more. High quality mix,master ¨& add production for your tracks.

With over 100,000,000 million streams across multiple top Spotify playlists, I’ll bring your music to the same high standard as your favorite artists. Utilizing a hybrid workflow—combining state-of-the-art in-the-box processing with premium outboard gear—I ensure your mixes and masters have the polished sound and emotional depth listeners crave.