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

We shape your sound with intention and precision. At Respuesta al Impulso, two sound engineers deliver professional mixing and mastering for indie, rock, pop, and hip-hop artists. We combine technical accuracy with creative depth to make your music hit with clarity, emotion, and impact.

Our goal is clear, colorful, and concise sound editing, mixing, and mastering. We cut our overhead costs to enable more affordable sound for people all across the globe.

Rawal is an artist from Karachi

I am an underground UK hip hop artist known as Abrupt who is also an amateur sound engineer, my main speciality is mastering. I studied Music Technology at college for 2 years in the UK, achieving a merit in an RSL Diploma course equivalent to three A Levels.

I'm Martina, a.k.a. MONO, a music producer and sound designer based in Siena (IT). I started producing as a way of helping my band incorporate loops, sound effects and synthetizers into our live performances and ended up diving into the studying of production techniques and scoring. I found my safe place of work in the EDM.

Film Composer | Producer | Recording Engineer | Mixing/Mastering Engineer | Co-owner and operator of a recording studio in Los Angeles, California | Studied under Grammy Award Winning Engineer "Bassy" Bob

• Composer • Orchestrator • Arranger • Conductor • Specializing in Soundtracks

10 years of experiencing recording and mixing artists in the Philadelphia and South Jersey music scene. Passionate about helping artists reach their creative potential as they progress up the ladder to bigger things. Projects include Heather Grey, Mochitsuki, Nave, and many other locals over the years.

Hi, I’m Lucas Blue — songwriter & lyricist with 10+ years of experience crafting songs in English and Portuguese. I specialize in emotive lyrics, original melodies, and full song concepts that blend indie pop, alt-R&B, acoustic, folk, and modern Brazilian sounds.