Keith in White House taping; Carpenter updating her lucky song; Williams plans a Nashville bash.
Free show, some of it televised live, also features Eric Clapton, Sarah McLachlan, Stevie Nicks, Chrissie Hynde.
Toby Keith's Unleashed will occupy the top slot on next week's chart, having sold more than 338,000 copies.
Pop singer gets a taste of acting with 'Pizza,' shifts to starring role in 'Keith.'
Former teen heartthrob's Then and Now due for October release in U.K.