It’s another week at the top for Mariah Carey, as her Columbia album “Music Box” logs its sixth week in the No. 1 position of the SoundScan sales chart, according to numbers supplied by an industry source.“Music Box,” which sold 108,000 copies for the seven-day period ending Jan. 23, widened its lead over runner-up Snoop Doggy Dogg, whose rap smash “Doggystyle” sold more than 85,000. New Jack crew Jodeci moved to No. 3 with its MCA-issued “Diary of a Mad Band.” ZZ Top heavy The strongest debut of the week was ZZ Top. The veteran Texas trio’s new “Antenna” album, its first under a new multimillion-dollar deal with RCA Records , comes in at No. 14, with sales of 54,000. Other debuts for the week include: balladeer Freddie Jackson’s sixth studio album, his first for RCA, “Here It Is,” at No. 66; progressive Atlantic rock trio King’s X, at No. 88 with “Dogman”; and fiery feminist rocker Liz Phair, currently the object of a major label bidding war, at No. 196 with her independently released “Exile in Guyville” (Matador). Largest sales gainer for the second consecutive week belonged to folky Geffen rock group Counting Crows, whose “August and Everything After” leaped from No. 32 to No. 13 on sales of 54,000. Other notable advances came from the Epic Soundtrax release of the companion album to Golden Globe winner “Philadelphia,” moving from No. 34 to No. 17, and femme rappers Salt-N-Pepa, whose Next Plateau album “Very Necessary” finally broke into the top 10, at No. 10, after four months of release.