In the films of this DVD, Peider A Defilla provides an insight into the oeuvre of Iannis Xenakis. The films show musica-viva performances of the works 'Syrmos', 'Synaphai', 'Theraps', and 'Nekula', and the respective BR-alpha broadcasts on these compositions. In an exclusive interview, the composer Iannis Xenakis is asked about his compositional oeuvre. In addition, the data section of the DVD contains further information on Iannis Xenakis, the performers and the DVD edition with many useful Internet links.