Von Neumann was the first to establish a rigorous mathematical framework for quantum mechanics, known as the Dirac–von Neumann axioms, in his influential 1932 work Mathematical Foundations of Quantum Mechanics.
The earliest years of Trance were defined by Frankfurt labels such as Eye Q, Harthouse, Fax +49-69/450464, Force Inc., and others. Producers such as Pete Namlook, Oliver Lieb, and Rolf Ellmer created noteworthy tracks such as “Eternal Spirit” by 4Voice, “Hearts” by L.S.G., and “We Came In Peace” by Dance 2 Trance.
In 2023, an effort by John 00 Fleming and others led Beatport to split their trance genre category into two: Trance (Main Floor) and Trance (Raw/Deep/Hypnotic). The latter designed for the underground side of the genre.
Trance music (Wikipedia) Trance is a genre of electronic dance music that emerged from EBM in Frankfurt, Germany, in the late 1980s and early 1990s, and quickly spread throughout Europe.