cfp EvoMUSART 2006 is the fourth workshop of the EvoNet working group on Evolutionary Music and Art. Following the success of previous events and the growth of interest in the field, the main goal of EvoMUSART 2006 is to bring together researchers who are using Evolutionary Computation for artistic tasks, providing the opportunity to promote, present and discuss ongoing work in the area. The workshop will be held from 10-12 April, 2006 in Budapest, Hungary, as part of the EuroGP&EvoCOP2006 event. Accepted papers will be presented orally at the workshop and included in the EuroGP2006 conference proceedings, published by Springer Verlag in the Lecture Notes in Computer Science series.