The jazz musician’s guide to the universe

·53 min·5 clips

What if everything in the universe—stars, planets, people—begins and ends with music?

The episode opens with host Sean Illing posing a philosophical question about whether the universe is fundamentally musical. He introduces guest Stefan Alexander, a professor of physics at Brown University and author of 'The Jazz of Physics' and 'Fear of a Black Universe.' Alexander is noted as a theoretical physicist and world-class jazz musician. Illing asks if physics is stuck as a science, prompting Alexander to discuss the challenges of peer review, grant funding, and deviating from established trends. Alexander explains how his jazz training helps him pivot from failed ideas and commit to disciplined practice in physics. He describes his band God Particle and mentions playing with musicians like Will Calhoun and Melvin Gibbs. The conversation delves into the early universe, where Alexander explains that vibrational patterns (sound waves) in a hot, dense soup of energy led to the formation of stars and galaxies. He uses the metaphor of the universe as an instrument that plays itself, referencing the inflaton field as a quantum field with discrete vibrations like musical notes. Illing raises the fine-tuning argument, questioning if the universe's laws are precariously arranged for life. Alexander compares it to an equalizer and discusses the anthropic principle and multiverse theory, describing universes as bubbles with different physical parameters. He admits he initially found the multiverse aesthetically unappealing. The discussion shifts to jazz improvisation, with Alexander citing Donald Harrison's quantum-inspired approach to playing through chord changes, linking it to Feynman's path integral formulation. Historical connections are noted, from Pythagoras' music of the spheres to Kepler's use of musical analogies for planetary orbits. Illing asks about the boundary between physics and philosophy, and Alexander mentions influences like Schopenhauer and Eastern philosophy. They touch on consciousness and whether physics can address it, with Alexander suggesting it might connect to mysteries of matter. The episode concludes with Alexander expressing feeling stuck in his research but optimistic about younger physicists, and Illing encouraging him to continue blending jazz and physics.

As heard by us

A jazz improvisation gives cosmic fine-tuning a vivid and surprisingly sturdy shape.

The Gray Area frames cosmic fine-tuning through an unusually nimble musical idea: the universe as an improviser, testing possible laws the way a jazz musician reshapes a solo when the form comes back around.

Read the full review in PlayNext →

Why you'd press play

You want fine-tuned physics explained through a jazz solo that changes each time the form comes around.

Read the full recommendation in PlayNext →

Listen to the show on

Apple Podcasts Spotify

Play clips from this episode More from The Gray Area with Sean Illing