trohi (Peter Parmakov and Yoana Robova) is an artistic duo from Sofia that works in the field of experimental music and sound design. Their approach is free-form; in their compositions, they use a variety of acoustic instruments, analog and digital synthesizers, field recordings, heavily processed vocals, and effects. In addition to their regular live performances, over the past ten years they have participated as composers and sound designers in various projects in the fields of theater, film, contemporary dance and performance art, audiovisual installations, animated films, and more.