Tonight we present the final installment of our Top 40 trilogy. We're going to ease our way back into the world of the lesser-heard sounds of the Sixties and Seventies by flipping over some of those Top 40 singles to hear what gems were hiding on the B-sides... Playlist: GRAND FUNK RAILROAD: I Come Tumblin' BLUE CHEER: Out Of Focus THE AMBOY DUKES: Mississippi Murderer IRON BUTTERFLY: Iron Butterfly Theme THE BOB SEGER SYSTEM: Tales Of Lucy Blue STEPPENWOLF: Jupiter's Child FRIJID PINK: Drivin' Blues BUBBLE PUPPY: Lonely CRABBY APPLETON: Try SPIRIT: She Smiles TEN YEARS AFTER: Let The Sky Fall BLOODROCK: Children's Heritage JO JO GUNNE: Take It Easy MOUNTAIN: The Laird