In a voyage to the borderlands of this podcast's announced subject, this week we listen to three records that might not be your (or anyone's) idea of prog rock, but which all share something elusive with the music that more comfortably flies the Mellotron Flag.  We start with the Incredible String Band's 1968 psych-folk opus "The Hangman's Beautiful Daughter," cross an ocean and a continent to the sunny L.A.-based sound of Ambrosia's 1975 self-titled debut, and wind up in the studio with Kate Bush and her arrival as a sonic auteur, 1982's "The Dreaming." We finish by facing the question that haunts a project such as this: just what counts as "prog rock" anyway, and why?  Join us in perplexity.

Discussed in this episode

Incredible String Band's "The Hangman's Beautiful Daughter" on YouTube

Ambrosia's debut album on YouTube

Kate Bush "The Dreaming" video on YouTube

Kate Bush "Sat in Your Lap' video on YouTube