A. Categories. Musical progress? New music and perils of progressivist historicism / Frank Cox ; Reflection, critique, utopia, messianicity: criteria of modern music or how far does the notion of musical deconstruction carry? / Claus-Steffen Mahnkopf ; Construction and conceptuality / Sebastian Claren -- B. Material and form. Thoughts on harmony today / Johannes Menke ; On the methodology and aesthetics of form-polyphony / Wieland Hoban ; French spectralism: from the frequency to the temporal domain: analysis, models, synthesis ... and future prospects / Anne Sedes -- C. Reflexion. Musical modernity: what does it mean today? / Gunnar Hindrichs ; Cult and concert: the figure of the performer / Barbara Maurer -- D. Technologies. Computer-assisted musical composition and creation of a compositional model / Mark Andr ̌; Composing algorithms, composing with algorithms: a critical assessment / Chris Mercer ; Klang: sound composition pulled "inside out" / Steven Kazuo Takasugi ; Musical thought and technology: composing by means of the present / Nicola Sani.