Next single heads to Cingular before radio.

The Foo Fighters are debuting their second single from the "In Your Honor" album as a ringtone exclusive to wireless operator Cingular before it's released to radio stations.

The track "D.O.A." won't be aired on radio until Aug. 22. Previous acts to debut singles as a Cingular ringtone include Gretchen Wilson, Gwen Stefani and Coldplay.