Here is the ORB song list (as of January 2011):

A Kiss To Build A Dream On (Louis Armstrong)
Aint That A Shame (Domino)
All I Do (Stevie Wonder)
All Of Me (Sinatra)
All Shook Up (Elvis)
At Last (Etta James)
All You Need Is Love (Beatles With Full Band)
Almost Like Being In Love (Various Swing Ballad)
Bessa Me Mucho (Latin Traditional)
Billie Jean (Michael Jackson)
Boogi Oogie Oogie (Disco)
Boot Scoot Boogie (Line Dance)
Brandy (The Looking Glass)
Build Me Up Buttercup (Foundations)
The Best Is Yet To Come (Sinatra)
Blueberry Hill (Domino)
Bridge Over Troubled Water (Simon & Garfunkle)
Brown Eyed Girl (Van Morrison)
Can't Buy Me Love (Beatles)
Can't Take My Eyes Off Of You (Franki Valley)
Celebration (Kool & The Gang)
Choo Choo Cha Boogie (Louis Jordan)
Come Fly With Me (Sinatra)
Crazy (Willie)
Cumbia Sobre El Mar (Cumbia Traditional)
Dancing Queen (Abba)
Daughter (Loudin Wainwright Iii)
Deed I Do (Various Swing Ballad)
Disco Inferno (The Trammps)
Domino (Van Morrison)
Don't Be Cruel (Elvis)
Don't Stop Believing (Journey)
Dream (Latin Bossa - Various)
El Rancho Grande (Latin Traditional)
Elvira (Oak Ridge Boys)
Fly Me To The Moon
Gentle Rain (Diana Krall)
Have I Told You Lately That I Love You (Stevie Wonder)
Heavenly Day (Patty Griffin)
Hey Good Lookin' (Hank Williams - Country)
How Sweet It Is (James Taylor)
I Feel Good (James Brown)
I Gotta Feeling (Tonight's Gonna Be A Good Night (Black Eyed Peas)
I Just Called To Say I Love You (Stevie Wonder)
If I Were A Bell (Traditional Swing)
In My Life (Beatles)
In The Midnight Hour (Wilson Picket)
In The Mood (Instrumental Swing)
It's Now Or Never (Elvis)
It's Your Thing (Isley Bros.)
I'm Beginning To See The Light (Swing Various)
I've Got You Under My Skin (Sinatra)
I Will Survive (Gloria Gaynor)
It Had To Be You (Swing Ballad - Various)
Jambalaya (Hank Williams)
Joe Avery/Saints Go Marching In (New Orleans Style)
Jump, Jive, An' Wail (Louis Prima)
Just A Gigolo (Louis Prima)
L-O-V-E (Nat King Cole)
Kansas City (Fats Domino)
Kiss Of Fire (Tango)
La Bamba (Richey Valens)
Lady Marmalade (Disco Soul)
Last Dance (Donna Summer)
Let Me Stand Next To Your Fire (Hendrix)
Let's Get It On (Marvin Gaye)
Let's Stay Together (Al Green)

Livin' On A Prayer (Bon Jovi)
Louie Louie (Rock)
Love Is Here To Stay (Sinatra)
Love You Madly (Cake)
Lullaby (Billy Joel)
Mambo #5 (Various Artists)
Margaritaville (Jimmy Buffett)
Mony Mony (Rock)
Moondance (Van Morrison)
Moten Swing (Basie Band)
Mustang Sally (Wilson Picket)
My Funny Valentine (Sinatra)
My Girl (Temptations)
My Kind Of Woman/My Kind Of Man (Vince Gill)
My Wish (Rascal Flatts)
Night & Day (Swing - Sinatra)
One Mint Julip (Jump Blues R&b)
Otis Reading Medley (Soul)
Our Love Is Here To Stay (Slow Swing Traditional)
Play That Funky Music White Boy (Wild Cherry)
Poke Salad Annie (Swamp Rock Traditional)
Proud Mary (Ike & Tina Turner)
Respect (Aretha Franklin)
Route 66 (Nat King Cole)
Sarah Smile (Hall & Oates)
Samba Pa Ti (Carlos Santana)
San Antonio Rose (Bob Wills)
Scenes From An Italian Restaurant (Billy Joel)
She (Elvis Costello)
Silver Wings (Willie)
Since I Feel For You (Various Artists)
Sing Sing Sing (Louis Prima)
Smoke Gets In Your Eyes (Platters)
Sola Mente Una Vez (Latin Traditional)
Sophisticated Lady (Duke Ellington)
Signed Sealed Delivered (Stevie Wonder)
Smooth (Santana)
Stand By Me (Ben E. King)
Still Diggin On James Brown (Tower Of Power)
Stompin At The Savoy (Benny Goodman)
Straighten Up And Fly Right (Swing)
Stray Cat Strut (Stray Cats)
Summertime (Traditional)
Sway (Cha Cha)
Sweet Caroline (Neil Diamond)
Tennessee Waltz (Waltz Traditional)
That Old Black Magic (Louis Prima Keely Smith)
That's All (Ballad Sinatra)
The Way You Look Tonight (Sinatra)
Them There Eyes (Swing - Various)
Twist And Shout (Beatles)
Unforgettable (Nat King Cole Duet)
Walkin' On Sunshine (Pop Rock)
Walkin' The Dog (Stevie Ray Vaughn)
Walk Of Life (Dire Straits)
Waltz Across Texas (Waltz Traditional)
We Are Family (Sister Sledge)
What A Wonderful World (Louis Armstrong)
When I'm 64 (Beatles)
With A Little Help From My Friends (Beatles)
Wipeout (Ventures)
Wonderful Tonight (Eric Clapton)
You Are The Best Thing (Ray La Mantagne)
You Go To My Head (Ballad - Various)
You Really Got Me (Kinks)
Your Cheating Heart (Hank Williams)
Your Song (Elton)
Zoot Suit Riot (Cherry Poppin' Daddies)