For 2003's multiplatinum Elephunk, the Black Eyed Peas recruited sexy crooner Fergie and ditched ponderous rhymes in favor of smooth hooks, transforming themselves from the world's most boring rap group to hip-hop's brightest popsters. Monkey Business is just as bright if not quite as fun as Elephunk, calling in Justin Timberlake, James Brown and Sting for a series of party-starters and hijacking Dick Dale's "Miserlou" for the opening "Pump It." Some cuts are dragged down by soul-pop cliches, but "Don't Lie" is a breezy, grooving romantic apology starring MC Will.i.am, and "My Humps" is an irresistible, butt-stupid ode to Fergie's ass. If anything, Business is too breezy — but from a group that once burdened us with rhymes about how its "technicalities die hard like battery," that's not such a bad thing.

“(We're Not) The Jet Set”

George Jones and Tammy Wynette were still married when they recorded the tongue-in-cheek "(We're Not) The Jet Set." The lyrics, written by Nashville songwriter Bobby Braddock, who also penned Wynette's "D-I-V-O-R-C-E" and Jones' "He Stopped Loving Her Today," make fun of the good life by declaring, "We're not the Jet Set/We're the old Chevrolet set." Braddock recalled that while writing the song, he needed the name of a city that evened out the rhyme he had with "Riviera" and "Missourah." “I got out a Rand McNally atlas," he said. "In the first part are the maps. The last part is an alphabetical listing of cities. I wanted a rustic, small-time sound. I went to the listing for Missouri. And I found 'Festus.' I loved the sound of it."