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XL/Columbia's Adele and RBMG/Def Jam's Justin Bieber continue to dominate in both single and album sales—the only artists to stay Top Ten in both places. 

On the album side, Coldplay remains Top 5 this week while the a cappella kids known as RCA's Pentatonix rise to #3 with the Deluxe version of their phenomenal holiday offering, and 'tis the season for that.  Debuting at #2 is Def Jam's August Alsina, selling briskly despite a leak earlier this week, while new releases from country star Cam and R&B heavy R. Kelly at #6 and #7, respectively. 

The singles chart features a strong showing from The Voice contestant Jordan Smith, who sits behind Adele and Bieber with his version of "Somebody To Love," and continued momentum from Thomas Rhett, who's at #7 with "Die a Happy Man." The rest of the Top Ten singles are a steady diet of smashes from the usual suspects.