GRANDADDY - THE SOPHTWARE SLUMP ON A WOODEN PIANO (Pink Vinyl) LPGrandaddy's album reimagined on piano. By pledging allegiance to old time country music, 1960s power pop, and cheesy '70s electronic music, Grandaddy create an unlikely merger that, when it works, recalls the poppier elements of the Flaming Lips ("The Crystal Lake"). At other times ("He's Simple, He's Dumb, He's the Pilot"), you might hear the rustic charm of Palace shot through with a dose of Kraftwerk. Much like, say, Mark Linkous (who helms