In addition to songs from their new album, Raising Sand, Alison Krauss and Robert Plant performed Led Zeppelin's "Black Dog" during a Thursday night (Oct. 18) taping of CMT Crossroads at a venue in Lebanon, Tenn. Plant was a founding member and lead vocalist of the legendary British rock band. Raising Sand, to be released Tuesday (Oct. 23) by Rounder Records, was produced in Nashville and Los Angeles by T Bone Burnett. An air date for the Krauss-Plant Crossroads episode has not been announced.