(Print play list from link below). As a retrospective tip of the hat to Robert Cray (photo), DJ UndergroundMan offers tracks from 1988-2010 early in the first hour along with other rare tracks from Machinations, Talk Talk, and Spooky Tooth. Later, in the second-hour Chill Zone you will hear virtually never-heard music from Korean electronic musician named Potlatch who will release two CDs in September 2012 including "La Grand Bleu" (album cover photo).   New music coming from The Wallflowers, A.A. Bondy, Joshua Radin, and Tina Dico.   Fringe Toast first-timers include Ibiza electronic musician Solee, Ministry (industrial metal reunion band touring USA this month) that covers Ten Years After track "Here They Come."   Oh, it will be a delightful edition where you can discover some of the best music you never hear.   Print the play list and follow along.  Encourage friends to join the live stream at kruufm.com