His music maintains an uncompromising balance between lucid thought and intense passion, and between new initiatives and a respect for tradition.

Extra-musical sources often provide a stimulus for the creative process; sometimes other art forms (Five Csontvary Paintings) or philosophy (Thoughts-by day and night). In Epitaph from Aquincum Decsényi turned to antiquity for inspiration, and in Old Hungarian Textes to ancient Hungarian literature. His experiments with electronic means of sound production led to a genre of electro-acoustic music that he called (’Soundscapes’) - an intriguing mix of electronic and enviromental sounds. This monograph will fulfil the need for an overview of the work of this multifaceted and versatile contemporary composer.