Primal-Circular Substitutions -- On the Group of Transformations of Classical Types of Seventh Chords -- Pairwise Well-Formed Modes and Transformations -- Homometry in the Dihedral Groups: Lifting Sets from Zn to Dn -- A Symmetric Quantum Theory of Modulation in Z20 -- Almost Difference Sets in Transformational Music Theory -- Algebra of Harmony -- Developing Software for Dancing Tango in Compأ،s -- Using Inharmonic Strings in Musical Instruments -- Real-Time Compositional Procedures for Mediated Soloist-Ensemble Interaction: The Comprovisador -- Strange Symmetries -- Interval Content vs. DFT
""4 The Need of a New Musicography for the Blind""""5 Proposed Methodology""; ""6 Conclusions""; ""References""; ""Group Theory for Pitch Sequence Representation: From the Obvious to the Emergent Complexity""; ""1 Introduction""; ""2 (L(Sn), أ‚آ°)""; ""3 Piph Music for Algorithmic Composition""; ""4 Translating a Piece of Music into a Single Number""; ""References""; ""Mazzola's Escher Theorem""; ""1 Basic Concepts""; ""2 The Category of Gestures""; ""3 Hypergestures with an Approach to Escher's Theorem""; ""4 Topological Categories and Mazzola's Escher Theorem""; ""References""