CARRIE is on track to achieve her second No 1 album on the Billboard 200 as her just-released Play On should debut atop the chart next week. Music industry prognosticators suggest the 19/Arista Nashville set could sell over 300,000 copies by weeks end on Sunday (Nov 8) night. Underwoods last effort, 2007s Carnival Ride, opened in the penthouse with 527,000 and has gone on to sell 2.98 million in the US according to Nielsen SoundScan. The new albums lead single, Cowboy Casanova, moves up two slots to No 3 on the Hot Country Songs tally and has so far peaked at No. 11 on the Billboard Hot 100 chart. Play On will lead a cavalcade of new albums in the top 20 of the Billboard 200 next week, with the soundtrack to Fox TVs Glee likely as the next-best debut. The Fox/Columbia album may sell over 100,000 copies in its first week. Weezers Raditude, the new Now 32 compilation, Andrea Bocellis My Christmas and Foo Fighters Greatest Hits are all on course to make lofty chart entries as well. Nielsen SoundScans sales tracking week, as reflected in Billboards sales charts, runs from Monday through Sunday of each week. Next weeks album charts will be revealed on Wednesday, Nov. 11 and will reflect data through the week ending Sunday, Nov 8. Billboard