Heynetsu Mars Studios is an independent recording, mixing, and mastering studio based in Yokohama, Japan, founded in 2026 and run by engineer, music producer, and multi-instrumentalist Ryo Ohtaki.

Since opening, the studio has completed recording, mixing, and mastering for 10 songs by Japanese independent artists, with more than 10 additional tracks currently in production.

One of our produc...
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Heynetsu Mars Studios is an independent recording, mixing, and mastering studio based in Yokohama, Japan, founded in 2026 and run by engineer, music producer, and multi-instrumentalist Ryo Ohtaki.

Since opening, the studio has completed recording, mixing, and mastering for 10 songs by Japanese independent artists, with more than 10 additional tracks currently in production.

One of our productions, "Rusteneration" by The Psychedelic Mars, was featured in UK music publication Backseat Mafia, which also highlighted the track's recording, mixing, and mastering at Heynetsu Mars Studios.

Our work covers recording, mixing, mastering, music production, arrangements, guitar and bass recording, and drum programming. We specialize in Indie Rock, New Wave, Post-Punk, and Dream Pop, drawing inspiration from both classic and modern US/UK music.

Our approach combines vintage-inspired warmth with modern production techniques, focusing on spacious mixes, rich low end, and creative sound design.

We aim to preserve each artist's unique musical identity while bringing their vision to life, and welcome collaborations with artists from around the world.
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