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
DONOVAN . . . . . Happiness Runs . . . . . Barabajagal
TALKING HEADS . . . . . Happy Day . . . . . Talking Heads '77
THE EDWIN HAWKINS SINGERS . . . . . Oh Happy Day . . . . . Oh Happy Day: Best of Edwin Hawkins
THE SHADES OF BLUE . . . . . Oh How Happy . . . . . Golden Classics
ALTON ELLIS . . . . . You've Made Me So Very Happy . . . . . Trojan Motor City Reggae
BROOK BENTON . . . . . Hotel Happiness . . . . . The Best of Brook Benton: 20th Century Masters - The Millennium Collection
JUDY GARLAND . . . . . Get Happy . . . . . Classic Years Vol. 1
PHARRELL WILLIAMS . . . . . Happy . . . . . G I R L
THE ROLLING STONES . . . . . Happy . . . . . Exile On Main Street [Remastered]
ALBERT BROOKS & ALBERT KING . . . . . Englishman, German, Jew Blues . . . . . A Star Is Bought

HAROLD ARLEN . . . . . Optimistic Voices . . . . . The Wizard of Oz (Original Motion Picture Soundtrack)
ST. VINCENT . . . . . The Strangers . . . . . Actor
THOM YORKE . . . . . I Am a Very Rude Person . . . . . ANIMA
WILCO . . . . . I Am Trying to Break Your Heart . . . . . Yankee Hotel Foxtrot
HONEYDOGS . . . . . For the Tears . . . . . Here's Luck
THE BEATLES . . . . . I Want to Tell You . . . . . Revolver
THE CLIENTELE . . . . . Bookshop Casanova . . . . . God Save The Clientele
TEENAGE FANCLUB . . . . . Nowhere . . . . . Man Made
HERMAN’S HERMITS . . . . . No Milk Today . . . . . Very Best of Herman's Hermits
YOUNG GUV . . . . . Exceptionally Ordinary . . . . . GUV I
THE SIGHTS . . . . . Suited Fine . . . . . Sights
SONNY & THE SUNSETS . . . . . A Bigger Picture . . . . . Hairdressers From Heaven
QUICKSILVER MESSENGER SERVICE . . . . . Fresh Air . . . . . Just for Love
THE YOUNG FRESH FELLOWS . . . . . Barky’s Spiritual Store . . . . . Because We Hate You / Let War Against Music Begin
FOUNTAINS OF WAYNE . . . . . Utopia Parkway . . . . . Utopia Parkway
CREEDENCE CLEARWATER REVIVAL . . . . . Lodi . . . . . Green River
BRUCE SPRINGSTEEN . . . . . Somewhere North of Nashville . . . . . Western Stars
PETE ASTOR . . . . . Mr Music . . . . . Spilt Milk
LEO KOTTKE . . . . . Tilt Billings and the Student Prince . . . . . Ice Water
SON HOUSE . . . . . Pearline . . . . . The Original Delta Blues (Mojo Working': Blues For The Next Generation)

BOB DYLAN . . . . . Subterranean Homesick Blues . . . . . The Cutting Edge 1965-1966: The Bootleg Series, Vol.12 (Deluxe Edition)
BOB DYLAN . . . . . Like a Rolling Stone . . . . . The Bootleg Series, Vol. 4: Bob Dylan Live, 1966: The "Royal Albert Hall Concert"
JANIS JOPLIN . . . . . Ball and Chain . . . . . Monterey International Pop Festival
THE WHO . . . . . My Generation . . . . . Monterey International Pop Festival
JOHN LENNON . . . . . Dizzy Miss Lizzy . . . . . Live Peace in Toronto 1969
DAVID BOWIE . . . . . Rock ‘n’ Roll Suicide . . . . . Sound + Vision (4CD)

Here's Tim Buckley with another happy song