I've been reading a few books about the human brain and music lately, and both are by people I've interviewed. One is Susan Rogers' [Tape Op #117] and Ogi Ogas' This is What it Sounds Like: A Legendary Producer Turned Neuroscientist on Finding Yourself Through Music. The other book, which I'm still digging into, is Daniel Levitin's [#74] I Heard There Was a Secret Chord: Music as Medicine.