Socio-cultural revolution as much and industrial, information technology has obviously not spare the world of music, to the point that lies at the heart of most of the Studios and Home Studios. Allowing a work of extreme precision and great flexibility, it has managed to provide equivalent software for many professional audio equipment: the multitrack recorder has become sequencer and audio effects and tools have changed plug-in ins. But music remains a human emotion group work remains crucial, however, the Home Studio allows aujourdh'ui many musicians: - To evolve independently. - Make playbacks from virtual instruments. - To register or to practice their instuments on these playbacks. - Prepare the final mix to serve as a source for the mastering. - To record the final mix on a digital medium (Files, Audio CD, DVD) for distribution.