Shania Twain has the top-selling release on Billboard

Shania Twain has the top-selling release on Billboard in the U.S. with "Now," her first disc in 15 years.  "Now" moved137,000 equivalent album units with 134,000 of that being traditional album sales. Twain had the lone country CD in the top 10.  
 
Coming in directly behind Shania on the chart is the late Tom Petty‘s 1993 Greatest Hits collection with his band the Heartbreakers. Petty died Oct. 2 after suffering a full cardiac arrest.