Last month, Beach Boys lead singer Brian Wilson, who wrote the 1965 hit "California Girls", expressed his admiration for this summer's ubiquitous song of (almost) the same name, Katy Perry's "California Gurls." He seems to have changed his tune (heh):

Rondor Music has fired off a letter to Perry's label, Capitol Records, demanding Mike Love and Brian Wilson -- who penned the 1965 classic "California Girls" -- be given a writing credit on Perry's hit summer song, as well as royalties.

Read the full story at the New York Post.