It was a slow week at the nation's record stores as Jennifer Lopez's remix collection J to Tha L-O! debuted at No. 1 on the Billboard album chart after selling only 156,000 copies. Barry Manilow's new greatest hits disc, Ultimate Manilow, bowed at No. 3 his highest chart debut ever. Back to J.Lo, the singer-actress has been named as a presenter at the 74th Academy Awards on March 24.