Red Hot Chili Peppers Return of the Dream Canteen is the bands second album this year to top the Billboard Album Sales chart. Chili Peppers album Unlimited Love also topped the chart in April.
The last rock band to have two #1 albums on the Album Sales chart in the same year was System of a Down 17 years ago with the release of their albums Mezmerize and Hypnotize released back in 2005.