Here's the complete playist.

NELSON RIDDLE ORCHESTRA . . . . . Route 66 Theme (opening theme) . . . . . Route 66 and Other Great TV Themes/More Hit TV Themes
JACK HALEY . . . . . If I Only Had A Heart . . . . . Wizard of Oz
SMOKESCREENS . . . . . Waiting for Summer . . . . . Used To Yesterday
FOUNTAINS OF WAYNE . . . . . It Must Be Summer . . . . . Utopia Parkway
CHRIS STAMEY . . . . . Summer Sun . . . . . D.I.Y.: Come Out And Play - American Power Pop (1975-78)
JOHNNY RIVERS . . . . . Summer Rain . . . . . Summer Rains: The Essential Rivers 1964-1975
RICHARD LLOYD . . . . . Summer Rain . . . . . Alchemy
FRANK SINATRA . . . . . Summer Wind . . . . . Nothing But The Best
MARIANNE FAITHFULL . . . . . Summer Nights . . . . . Very Best of
DEPARTMENT OF EAGLES . . . . . Balmy Night . . . . . In Ear Park
JONATHAN RICHMAN & THE MODERN LOVERS . . . . . That Summer Feeling . . . . . Jonathan Sings
THE YOUNG FRESH FELLOWS . . . . . Summerland . . . . . Greatest Living Englishman
MARTIN NEWELL . . . . . The Green-Gold Girl Of Summer . . . . . Greatest Living Englishman
SONIC BOOM . . . . . On a Summer's Day . . . . . All Things Being Equal
THE FLAMING LIPS . . . . . It’s Summertime (Throbbing Orange Pallbearer) . . . . . Yoshimi Battles the Pink Robots (Deluxe Edition CD + DVD)
JANE’S ADDICTION . . . . . Summertime Rolls . . . . . Nothing's Shocking
GIRLS . . . . . Summertime . . . . . Album
PAUL BANKS . . . . . Summertime Is Coming . . . . . Banks
THE SOUNDTRACK OF OUR LIVES . . . . . Lone Summer Dream . . . . . Origin 1
THE JANUARIES . . . . . Summer Of Love . . . . . Januaries

THE DECEMBERISTS . . . . . June Hymn . . . . . The King Is Dead
MATT SANDERS & FRIENDS . . . . . Summer Song . . . . . Summer EP
PETER WOLF W/ NEKO CASE . . . . . The Green Fields Of Summer . . . . . Midnight Souvenirs
FRONTIER RUCKUS . . . . . If The Summer . . . . . Eternity of Dimming
MATT POND PA . . . . . Still Summer . . . . . Still Summer
SECRET CITIES . . . . . It's Always Summer . . . . . Walk Me Home
EVAN DANDO & SABRINA BROOKE . . . . . Summer Wine . . . . . Total Lee! The Songs of Lee Hazlewood
YO LA TENGO . . . . . The Summer . . . . . Fakebook
THE SPRINGFIELDS . . . . . Sunflower . . . . . Singles 1986-1991
BELLE & SEBASTIAN . . . . . A Summer Waiting . . . . . Boy With the Arab Strap
DEAD STARS . . . . . Summer Bummer . . . . . Slumber
FLASHLIGHTS . . . . . Bummer Summer . . . . . Bummer Summer
THE DANKS . . . . . Summer Lovin' . . . . . Happy Birthday Hidden Pony!
THE WHO . . . . . Summertime Blues . . . . . Live at Leeds
ART BRUT . . . . . Summer Job . . . . . Art Brut Vs Satan
BLOTTO . . . . . I Wanna Be A Lifeguard . . . . . Collected Works
THE RAMONES . . . . . Rockaway Beach . . . . . Rocket to Russia (Dlx)
THE BEACH BOYS  . . . . . Surfin' Safari . . . . . Sounds of Summer: Very Best of The Beach Boys
BEACH DAY . . . . . Beach Day . . . . . Trip Trap Attack
KUTOSIS . . . . . Crystal Beach . . . . . Dream It Away

LOUDON WAINWRIGHT III . . . . . The Swimming Song . . . . . Attempted Mustache
ANTONIO CARLOS JOBIM . . . . . The Girl From Ipanema . . . . . The Girl From Ipanema: The Antonio Carlos Jobim Songbook
JOSH ROUSE . . . . . Summertime . . . . . Subtitulo
THE SCHOOL . . . . . Summer's Here . . . . . Loveless Unbeliever
MAGIC KIDS . . . . . Summer . . . . . Memphis
PERCY FAITH . . . . . Theme From “A Summer Place” . . . . . 16 Most Requested
LAND OF TALK . . . . . Summer Special . . . . . Applause Cheer Boo Hiss (Dig)
NRBQ . . . . . Rain At The Drive-In . . . . . Grooves in Orbit
THE RASPBERRIES . . . . . Drivin’ Around . . . . . Collector Series
THE DRIFTERS . . . . . Under The Boardwalk . . . . . Incredible Soul Collection
SLY & THE FAMILY STONE . . . . .Hot Fun In The Summertime . . . . . Essential Sly & Family Stone
MARTHA & THE VANDELLAS . . . . . Dancing In The Streets . . . . . Motown: The Classic Years

Here's one more for the season from Wilco