"Surfing Safari" by the Beach Boys. "Cruel Summer" by Bananarama. "Rockaway Beach" by The Ramones. Which songs define summer for you? Which songs make you think of the beach or BBQs, or lazing around in hammocks in the backyard? Our critics share their choices. Be it familiar or off-the-beaten-track, old school or modern day, what song quintessentially means "summer" to you?