Lee Hazlewood, 78, a singer and songwriter best known for writing and producing "These Boots Are Made for Walkin' " for Nancy Sinatra, died of kidney cancer Saturday in Las Vegas.

Barton Lee Hazlewood was most famous for his work with the daughter of Frank Sinatra, including writing and producing such hits as "Sugartown" and "Some Velvet Morning." He also produced "Something Stupid," a duet Nancy Sinatra recorded with her father in 1967.

He produced Duane Eddy and Gram Parsons, and performed on a number of solo albums and with Nancy Sinatra in three Nancy & Lee albums.

Mr. Hazlewood was diagnosed with kidney cancer in 2005 and released his final album, Cake or Death, in 2006.

- AP