https://github.com/davepinch/pinchy.cc/blob/master/content/topics/people/a/andrew-bayer/andrew-bayer.md
Addition and multiplication are commutative in most number systems, and, in particular, between natural numbers, integers, rational numbers, real numbers and complex numbers.
Andrew Bayer (Wikipedia) Andrew Michael Bayer (born 1987) is an American DJ and Grammy-nominated music producer. He is best known for working with Anjunabeats as a multi-genre artist and English deep house sublabel Anjunadeep.