Mixing & Mastering Engineers, Producers & Songwriters who worked with WAKING UP by KIDNAP
In a world of preset-pushing button mashers, I offer something different: mixing engineering that serves the soul of your music. With over a decade crafting radio-ready sound for major labels and indie artists alike, I bring both technical mastery and emotional intelligence to every project.
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Professional Mixing Engineer based out of Columbus, Ohio. I help artists to shape their record into their own unique sound.
Looking to for your next big hit? Need Studio time? Book Hunnid Billi to make your next hit record.
Not your average rock music
100,000+ Spotify streams / Signed with Labels and Sync Companies. I am a versatile musician, music producer, content creator, sound designer and songwriter. My love for music began at a young age and I have dedicated years of hard work and commitment to refining my skills as a producer and performer.
Aspiring Singer/Songwriter
Producing for 10 years, mixing for 2 years, and playing guitar for over 20 years, I specialize in the good ol' rock and roll. Produced, wrote for, mixed and mastered the Brazilian hit 80's band Camisa de Vênus 2021's album "Agulha no Palheiro". I also produced and wrote for albums since 2013, when I was only 21 years old
Looking for new, creative ways to bring your ideas to their fullest potential? I provide toplining, producing, engineering, in-person sessions and more!
Manny Quiñones Mixer Arrannger Guitar player
Recent Successes
"Sefi is at the top of the game & truly has the fire burning bright in his heart for music. Not just a lifetime of experience & the typical impressive roster list, but still 110% passionate about his work. He mixed my..."
Keep P."Excellent 5* A+. Highly recommend working with Cassio. Tight, beat perfect drums and percussion. Great communication and fast delivery. "
David N."Amazing Job!"
Kevin"Professional, patient and delivered an absolute good master."
Petros A."Sefi did an AMAZING job mastering my track and I look forward to working with him again."
Adrian L.
