Mixing & Mastering Engineers, Producers & Songwriters who worked with Koala Rei

Mixtheus is a full time mixing engineer based in São Paulo, Brazil.

I've toured the world as a bandleader and sideman, recorded on a dozen albums, worked as a session musician in New York, scored TV shows and composed/arranged for orchestra and film. Let me bring my expertise to your project.

Combining creative ideas with technically clean vocals especially made for pop and ballad songs:)

Turn your rough mix into a radio-radio hit-affordable, quality mixing and mastering for indie artist!

Versatile producer & classically-trained saxophonist with 10+ years of experience crafting unique, cinematic sounds. From producing full records to adding rich saxophone textures, I bring depth and character to every project.

Professional violist and violinist experienced in performing and recording in multiple genres.

Get a top arrangement or an original composition for you or your group written by an award-winning classical composer with large experience in jazz and popular music. Wrote for orchestra, chamber ensemble, quartet, trio, and solo instruments, commissioned by international musics and groups.

2x Latin Grammy Winner. 20+ years of experience. 15+ years as an audio professor. I stand out for my ability to work in the post production of different musical genres.

I'm an experienced young player that will work with you to take your song to the next level. With a wide variety of styles, from 70s Rock/RnB to 90s indie rock, I can surely deliver the unique guitar parts that you have been imagining on your track. I work quickly and really value the input of the client, ensuring that I reach their vision.