Kosmo started singing, ‘cello and organ studies, eventually focusing on contemporary and mediaeval music.After composition studies with Karlheinz Stockhausen, Christian Wolfe and Frank Denyer, Kosmo formed the ensemble Cosmos Organon as a performance-research group, dedicated to creating new music beginning with new ways of listening. Further research into historical music pedagogy led to his research and practice of plainchant, modal systems of singing, and the educational methods of the past that are based on vocal and keyboard improvisation