Demosthenes Akoumianakis George Vellis Ioannis Milolidakis Dimitrios Kotsalis Chrisoula Alexandraki Distributed collective practices in collaborative music performance. 368-375 2008 DIMEA http://doi.acm.org/10.1145/1413634.1413700 conf/dimea/2008 db/conf/dimea/dimea2008.html#AkoumianakisVMKA08