Carrie Underwood's "Play On" bows at No. 1 on the Billboard 200 chart this week, shifting 318,000 copies, according to Nielsen SoundScan.

It's the country star and former "American Idol" champ's second album to top the Billboard 200, after her sophomore set "Carnival Ride" bowed in the penthouse with 527,000 in 2007. Underwood's debut effort, "Some Hearts," started at No. 2 on the Billboard 200 in 2005 and at No. 1 on Top Country Albums with 315,000.

"Play On's" 318,000 sum is also the largest sales week for an album by a woman in 2009 and the second-best sales week for a country release. Among country efforts this year, only Rascal Flatts' "Unstoppable" netted a bigger week, when it started at No. 1 with 351,000.

Andrea Bocelli's "My Christmas" arrives on the Billboard 200 at No. 3 with 149,000 copies, marking the singer's fifth top 10 effort and best sales week since "Cieli Di Toscana" blew through 177,000 over Christmas week of 2001. "Christmas" also marks Bocelli's second-best debut sales week -- only the bow of "Songo" in 1999, with just a couple hundred more copies, pulled in a better first-week number.

One step below Bocelli is the first "Glee" TV soundtrack, which enters with 113,000 copies. The second installment of the "Glee" soundtracks is due on Dec. 8.

The "Now 32" hits compilation starts at No. 5 with 102,000. The last regular "Now" release, Vol. 31, moved 169,000 when it bowed at No. 1 earlier this year.

The final debut in the top 10 this week comes from Weezer's "Raditude," which starts at No. 7 with 66,000. Weezer's last studio effort, its self-titled 2008 release, moved 126,000 upon its arrival at No. 4.

Last week's Billboard 200 No. 1, Michael Jackson's "This Is It" falls to No. 2 with 196,000 (down 48%). Taylor Swift's "Fearless" marks its one-year anniversary on the chart as it drops three spots to No. 6 with 70,000 (down 36%) while Michael Buble's "Crazy Love" falls one rung to No. 8 with 59,000 (down 17%). Sting's "If On A Winter's Night" slides three places to No. 9 in its second week, selling 59,000 (down 26%). The "New Moon" soundtrack rounds out the top 10, dropping two slots to No. 10 with 52,000 (down 24%).

Overall album sales in this past chart week (ending Nov. 8) totaled 6.86 million units, up 9% compared to the sum last week (6.31 million) and down 2% compared to the same sales week of 2008 (7.02 million). Year to date album sales stand at 294.4 million, down 13% compared to the same total at this point last year (339.3 million).