Mixing & Mastering Engineers, Producers & Songwriters who worked with Hannah Jackson

Hello! My name is Celia Sieckert, and I am a classically trained cellist with a Bachelor of Music in Professional Performance from Berklee College of Music.

American born artist living in Berlin. In addition to my own music (which included 4 songs in the 2016 Spotify Viral Charts), I topline in a variety of dance, pop, soul styles. Also available to demo and consult on your projects.

I'll record vocals and vocals melodies in Spanish / Italian / English with my baritone voice

I am a competent producer and enjoy mixing and mastering. I have a history working in professional studios mixing and mastering and have worked with many artists.

From touring as a guitarist with Tupelo Honey and Makeshift Innocence (Forest Blakk) to earning 3 Juno nominations for production work with Shawnee Kish and Nuela Charles, I have almost two decades of experience in both the studio and the stage, giving a unique perspective toward making great music.

With years of vocal training and expertise, I craft harmonies that enhance any vocal performance. My arrangements bring depth and emotion, seamlessly supporting the lead vocals to create a richer, more captivating sound.

Producing at the intersection where sound and the body meet. I specialize in mixing, mastering and production that prioritizes physical translation — how music lands in the body, not just on meters. My approach focuses on: controlled saturation and harmonic density dynamic movement that breathes low-end and midrange balance that creates ground

I’m a Brazilian drummer, multi-instrumentalist, and music producer with 18 years of professional experience performing, recording, touring, and working on cruise ships. With a degree in Music Production, I’ve worked with artists in Brazil, Europe, Australia, and the U.S., bringing versatility across rock, pop, funk, and contemporary styles.