What is the hyperreal? Several domains of the hyperreal Hyperreal numbers, an extension of the real numbers in mathematics that are used in non-standard analysis Hyperreality, a term used in semiotics and postmodern philosophy Hyperreality (art), a school of painting Hyperrealism in music (Wikipedia, 2018 - https://en.wikipedia.org/wiki/Hyperreal) My interest lies mostly in semiotics and post-modern philosophy, and how it may be expressed musically, or the role of sound invol