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

Need top-tier audio post production? I specialize in vocal tuning, time alignment, and quantizing for flawless sound. Offering fast delivery and high-quality results, I ensure your project sounds professional and polished. Let's elevate your audio today—on time, every time.

Hi. My name's Andrew, I'm composer, music producer and mixing engineer.

Singer/Songwriter, I make melodies that your favorite artist will use in a year.

Hi, I have been producing music, singing, writing, mixing and mastering, and playing many instruments from a young age and continue to do so today. I love working with different artists and different people form all genres. I look forward to working with each and everyone of you.

Dynamic music producer who can arrange compositions for a large range of genres, who specialises in beats and scores/soundtracks for the film and gaming industries

Lifelong multi-instrumentalist and recording artist with 10 years of writing and engineering experience. Total of 900,000 Spotify streams on all published work. Professional credits include Mistah F.A.B. & HBK Gang with radio placements on Shade 45 / Sway In The Morning on Sirius XM.

Specialized in all metal and rock genres Especially nu metal

Frank Colón is a specialist in Latin-Caribbean and Brazilian percussion instruments including congas, bongos, timbales, bata drums, shekere, cuica, and berimbau. As a sideman with the Manhattan Transfer for 12 years, he collaborated on two of their Grammy awards and was voted in 1988 as“Most Influential Percussionist of the Year.

Hey! I am Simber, a full time composer, producer and sound designer signed to Effortless Audio, Chill Beats, Jazzhop Cafè, Lofi Jazz Records. My expertise has been praised by spotify playlists curators such as lofi beats, Jazz Vibes, Chill Lofi Study beat to name a few. Main genres are Lofi, Chillhop, Jazzhop, Neosoul and R&B.