I've put together 14 high-quality original podsafe instrumental tunes from my Penmachine Podcast into a CD album you can buy. It also includes a bonus data DVD with a bunch of cool stuff that isn't on this website. Find out more...
As I noted a month ago, I can't work and listen to talk podcasts at the same time—they occupy the same part of my brain. But I can listen to music, and the three podcasts I most enjoy for doing that are:
Tower of Song (RSS feed) - a wide variety of indie rock that matches closely with my tastes, even if I hardly know any of the artists.
The Scene Zine (RSS feed) - rocks hard, always about 25 minutes long, comes out often so there's always new stuff to listen to.
The Roadhouse (RSS feed) - high-quality blues, excellently formatted, reliably posted in a one-hour chunk every Saturday.
My own music has appeared on the first two shows, and that's how I found out about them, but I come back because they play good tunes, not because they've promoted me specifically.