‘California Gurls’
Katy Perry featuring Snoop Dogg, 2010
A Left Coast response to Jay Z and Alicia Keys’ “Empire State of Mind,” “California Gurls” leans no less heavily on guidebook clichés, in this case regarding sand, palm trees and “skin so hot we’ll melt your popsicle.” (Actually, that last one’s pretty good.) But credit Perry for having the wisdom to arrange a cameo by Snoop, who shows up and rhymes “bikinis” with “zucchinis.” Summery-ness ranking: 2