Kotra is the main art project from Dmytro Fedorenko. Dmytro studied mathematics at National University of Ukraine and classic guitar at music school in Kyiv. Started making music in 1994 as bass player in the jazz-noise band Potercha. In 1996 Dmytro founded noise duo Zet and made a series of performances with independent visual artists and videomakers in Kyiv. During 1997-1998 he participated in several video-art, net-art and interactive workshops in the Soros Center for Contemporary art in Kyiv. In 1998 after Dmytro left Zet, he started his solo project Kotra. Since that time he has released 10 full length albums, and has worked with Andrey Kiritchenko, Kim Cascone, Franz Pomassl, Alexei Borisov and Andreas Berthling. Kotra's tracks were released on different compilations in Europe, USA and Ukraine. Dmytro also made music for miscellaneous interactive CDR, web and video projects together with Akuvido. Those projects took part on such festivals around the world as Kryptonale, EMAF, Villette Numerique, Netmage, Videoex, [d]vision and many more. In 2003 Kotra played live on Clubtransmediale festival in Berlin, Garage festival in Stralsund, Unsound festival in Krakow, Noise&Fury festival in Moscow.
"Ampere was made with the old (1953) soviet radio microphone, mixer and some self-made devices. By locking a chain "mic-speakers" through the mixing board I was recieving really interesting and powerful resonances with dynamics that i never heard before..."