, have welcomed their second daughter.
And, Grohl says, she likes to make noise.
The 40-year-old rocker says
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-uncleHarper Bonebrake
Grohl and his wife also have a 3-year-old daughter,Violet