With sales of 336,660 copies, Elvis Presley's 30 #1 Hits held on to the No. 1 spot on Billboard's album chart for the second-consecutive week. The Rolling Stones' two-disc Forty Licks debuted in second place with 309,800 copies sold. Meanwhile, Kelly Clarkson's "A Moment Like This" remains the top-selling single for the third week. In other American Idol news, runner-up Justin Guarini has reportedly signed an album deal with the show's producer, Simon Fuller's 19 Recordings. Finally, Fox is confirming that Idol standout Tamyra Gray will appear in four episodes of Boston Public beginning in February.