Some Led Zeppelin music will make a rare appearance as part of a TV show next week. "Kashmir" and "Since I've Been Loving You" have been licensed for the November 19 episode of NBC's "Revolution" -- conveniently on the same day the group's "Celebration Day" CD, DVD and Blu-ray go on sale. That's not a coincidence; "Revolution" is produced by Warner Bros. Television, while Led Zep's publishing is administered by sister company Warner-Chappell Music. "Kashmir" will also be used in promo spots for the episode. IN a statement, "Revolution" creator and producer Eric Kripke said that, "Anyone who really knows me knows how obsessed I am with Led Zeppelin. So the fact that the band agreed to put two songs in my show is, very seriously, a career high point."