Black Knoll  Studio is privately owned and run by Rafael Anton Irisarri, an American composer, interdisciplinary artist, multi-instrumentalist, and curator.

Over the last 20 years,  Irisarri has engineered on all kinds of great projects - mastering, mixing, or remixing for some of his favorite artists, musicians and labels. He's produced everything from music and sound design for contemporary dance choreographies, corporate branding campaigns, indie films, and television placements to video and art installation pieces exhibited around the world.

In the music press, Irisarri is otherwise known for his ambient techno productions as The Sight Below for esteemed US label Ghostly International; predominantly associated with ambient, drone, electronic, modern classical, and minimalist music. As a record producer, Irisarri has engineered dozens of albums for labels like FelteGhostly, KrankyLeaf,  Morr Music, Room40 and Touch. As a remix artist, he's been commissioned by indie bands like The Naked And Famous and School of Seven BellsAs a live performer, Irisarri tours frequently in Europe and has worked with countless of artists - from Mainstream Top 40 acts like Matisyahu to critically-acclaimed cult sound artists like Fennesz, Lawrence English, and dozens more. Touring highlights include solo concerts at prestigious art and music festivals around the world, like Milan's MITO SettembreMusica, Barcelona’s Sónar, Krakow's Unsound and The Hague's TodaysArt

Irisarri is proudly endorsed  by Eventide, Moog Music, and Native Instruments.

One of contemporary ambient music’s most celebrated practitioners…beautiful sonic poetry” - DROWNED IN SOUND (UK)
Irisarri builds from quiet clicks and watered-down hisses to vast, affected synth tones that cut with an icy bite and then back down again, from the gigantic to the cellular.” - TINY MIXTAPES (USA)
Irisarri embodies the hybrid genre…the new kind of composer, who exists in an undifferentiated welter of pop, techno, and classical.” - PITCHFORK (USA)
Irisarri einer der interessantesten Vertreter einer neuen, zeitgenössischen Auseinandersetzung mit Ambient, gedankenverloren aber nie wahllos, zaghaft aber nie ziellos.” DE:BUG (DE)