trohi (Petar Parmakov and Yoana Robova) is an artistic duo from Sofia working in the field of experimental music and sound design. Their approach is liberated, in their compositions they use a variety of acoustic instruments, analog and digital synthesizers, environmental recordings, heavily treated vocals and effects. In addition to periodic live performances, over the past ten years they have participated as composers and sound designers in various projects in the fields of theatre, cinema, contemporary dance and performance, audio-visual installations, animated films and more.