Ivan Yerofeev performing as Yerofeyev, also known by his past works as Aleph, is a musician and sound producer from Omsk, Siberia, currently living in Moscow. Ivan is a resident of GOST Zvuk and Resonance Moscow, his sound is clearly distinguished by experiments with recording techniques, he is also interested in music for multi-channel systems and sound programming. Check out this relatively short yet very deep experimental live set at Method Bar performed by Ivan for Acoustic Treatment.