[Shaun]

I'm aware I almost try to be annoyed by them it's quite restrained I promise.

"Jump In The Pool" - Friendly Fires
"Always Like This" - Bombay Bicycle Club
"Sunny Afternoon" - The Kinks
"All Summer Long" - Kid Rock. no really.
"The Hellcat Spangled Shalalala" - Arctic Monkeys
"Hot Fun in the Summertime" - Sly and the Family Stone
"Endless Sunset" - Delorean
"Surfing USA" - Beach Boys
"Summertime" - Will Smith
"Going Up to the Country" - Canned Heat
"Feel Good Hit of the Summer" - Queens of the Stone Age
"In the Summer" - Crystal Fighters
"Time To Pretend" - MGMT
"Regulate" - Warren G
"Bermuda" - Kisses
"Club Tropicana" - Wham!
"Chaka Demus" - Jamie T
"Summer in the City" - Lovin' Spoonful
"Let's Go Surfing" - The Drums
"Sunrise" - Yeasayer
"Sweet Disposition" - The Temper Trap
"Here Comes the Sun" - The Beatles
"Margarataville" - Jimmy Buffett
"Summertime" - Janis Joplin
"Rebel Music" - Bob Marley
"Who Loves the Sun" - The Velvet Underground
"Paper Planes" - M.I.A.
"Island in the Sun" - Weezer
"California Girls" - Beach Boys
"A-Punk" - Vampire Weekend
"Me And Julio Down By The Schoolyard" - Paul Simon
"Sun Hits the Sky" - Supergrass
"What I Got" - Sublime
"Drop It Like It's Hot" - Snoop Dogg
"Where I Wanna Be" - Shade Sheist
"Lisztomania" - Phoenix
"Hot In Herre" - Nelly
"In The Summertime" - Mungo Jerry
"Bicycle" - Memory Tapes
"Don't Look Back Into the Sun" - The Libertines
"Summer Wind" - Frank Sinatra
"Boys of Summer" - Don Henley
"Bohemian Like You" - The Dandy Warhols
"After Dark" - Count and Sinden
"Dreaming Of You" - The Coral
"Summer of 69" - Bryan Adams
"Wake Up Boo" - Boo Radleys
"Cruel Summer" - Bananarama
"School's Out" - Alice Cooper
"Summer Breeze" - The Isley Brothers

so basically, 30 songs got by typing "sun" or "summer" into itunes, 15 got by asking Francis what that song was he heard at Reading in 2005 and 5 cheesy oddities.

FASCINATING.

But yeah, feel free to reply with your own (not 50, that would be silly and/or admirable)