Dave Grohl welcomes littlest Foo Fighter

Foo Fighters frontman

Dave Grohl

and his wife,


, have welcomed their second daughter.

And, Grohl says, she likes to make noise.

The 40-year-old rocker says

Harper Willow Grohl

was born on April 17. She is 7 pounds, 8 ounces, 20 inches long and _ Grohl says _ "loud as hell."

He says Harper Willow is named after his great-uncle

Harper Bonebrake


Grohl and his wife also have a 3-year-old daughter,


. The couple married in 2003.