In April 2009 , Cantrell announced that Alice in Chains had finished recording Black Gives Way to Blue on his 43rd birthday .
In April 2009 , Cantrell told at the Revolver 's Golden God Awards Show that Alice in Chains had finished recording the album on March 18 , 2009 ( his 43rd birthday and also the same day that William DuVall 's son was born ) , and were in the process of mixing it for a September release.