Last week's Night Lights episode, "Time Flies: The Life And Music Of Bud Powell Part 1," with special guest and Powell biographer Peter Pullman, is now archived for online listening:
http://indianapublicmedia.org/nightlights/tempus-fugueit-life-music-bud-powell-part-1/
"The Scene Changes: The Life And Music Of Bud Powell, Part 2" is airing this week; you can stream it tomorrow morning (Saturday) at 6 a.m. EDT on WBGO (http://www.wbgo.org/) and Sunday evening at 10 p.m. EDT on Blue Lake Public Radio (http://www.bluelake.org/radio/index.html). I'll have that episode archived on the Night Lights website as of Monday morning.
From the archives, there's also "Burning With Bud: Bud Powell Live, 1944-1953":
http://indianapublicmedia.org/nightlights/burning-bud-bud-powell-live-19441953/