Peter Pirhosseinloo is Founder,Manager and Curator of House No.4 , an independent music organization, based in Tehran. He started to play music when he was 12 and when he was 19 began to perform in some Rock bands..He studied western classical music in Tehran Conservatory at the age of 23. Since then, as a composer and sound artist, he has worked in different theaters, contemporary dance group and with some movie directors as well. As an organizer he has tried to bring up a different movement in independent music scene by collaboration of musicians of various genres like Electronic,Experimental ,Jazz, Alternative and Contemporary classical music in some of his events. He believes it’s very important for Tehran music scene artists to accept each other more and make harmony together.