Knock Knock (Smog album)

Knock Knock
Studio album by Smog
Released	January 12, 1999 (1999-01-12)
Genre	Folk rock lo-fi
Length	42:47
Label	Drag City
Producer	Jim O'Rourke
Smog chronology
Red Apple Falls (1997) Knock Knock (1999) The Manta Rays of Time (2000)
Singles from Knock Knock
"Held" Released: 1999 "Cold Blooded Old Times" Released: 1999

Knock Knock is the seventh studio album by Bill Callahan, released under his Smog alias. It was originally released through Drag City in January 1999. In Europe, it was released through Domino Recording Company.