The last 20 years:

Big Yellow Taxi - Counting Crows 
Cry Me A River - Justin Timberlake 
Gravity - John Mayer 
I'm A Believer - Smash Mouth 
I'm Yours - Jason Mraz 
If I Ain't Got You - Alicia Keys 
Stop This Train - John Mayer 
The Scientist - Coldplay 
Valerie - Amy Winehouse, The Zutons 
Viva la Vida - Coldplay 
Waiting On The World To Change - John Mayer 
What Goes Around... Comes Around - Justin Timberlake 
Best Day Of My Life - American Authors 
Castle On The Hill - Ed Sheeran 
Demons - Imagine Dragons 
Going Back To Kansas City - Marcus Mumford, Bob Dylan 
Gone Gone Gone - Phil Phillips 
Hey Ho - Lumineers 
I See Fire - Ed Sheeran 
I Will Wait - Mumford And Sons 
In The Blood - John Mayer 
Ophelia - The Lumineers 
Rolling In The Deep - Adele 
Thunder - Imagine Dragons

Classic rock & pop:

Already Gone - The Eagles 
Amie - Pure Prarie League 
Blackbird - The Beatles 
Breakdown - Tom Petty and the Heartbreakers 
Deal - Grateful Dead 
Desperado - The Eagles 
For What It's Worth - Steve Stills 
Give Me One Reason - Tracy Chapman 
Heartache Tonight - The Eagles 
Here Comes The Sun - The Beatles 
Kodachrome / Maybelline - Paul Simon 
Lady Madonna - The Beatles 
Late In The Evening - Paul Simon 
Listen To The Music - Doobie Brothers 
Long Train Running - Doobie Brothers 
Love Me Like A Rock - Paul Simon 
Love The One You're With - Steve Stills 
Me And Julio Down By The School Yard - Paul Simon 
Midnight Rider - Allman Brothers 
No Expectations - Rolling Stones 
No Woman No Cry - Bob Marley & The Wailers
Not Fade Away - Buddy Holly 
Put A Little Love In Your Heart - Jackie DeShannon 
Ramblin' Man - Allman Brothers 
Revolution No. 1 - The Beatles 
She Came In Through The Bathroom Window - The Beatles 
Slip Slidin' Away - Paul Simon 
Squeeze Box - The Who 
Statesboro Blues - Allman Brothers 
Stormy Monday - Allman Brothers 
Stuck In The Middle With You - Stealers Wheel 
Suzie Q - Credence Clearwater Revival 
Take It Easy - The Eagles 
Take It To The Limit - The Eagles 
That'll Be The Day - Buddy Holly 
The weight - The Band 
Train In Vain (Stand By Me) - The Clash 
Twist And Shout - Ther Beatles 
With A Little Help From My Friends - The Beatles 
Wonderful Tonight - Eric Clapton 
Ya Ya - Lee Dorsey 
You Can't Always Get What You Want - Rolling Stones 
You Don't Mess Around With Jim - Jim Croce

Soul /R&B:

Ain't No Sunshine - Bill Withers 
Ain’t Too Proud To Beg - The Temptations 
Drown In My Own Tears - Ray Charles 
Early In The Morning - Ray Charles 
Funny But I Still Love You - Ray Charles 
Gee Baby Ain't I Good To You - Billie Holiday 
Hard Times - Ray Charles 
Heard It Through The Grapevine - Marvin Gaye 
How Sweet It Is To Be Loved By You - Marvin Gaye 
I Want You Back - Jackson Five 
Lonely Avenue - Ray Charles 
Midnight Hour - Wilson Pickett 
Mustang Sally - Wilson Pickett 
Signed Sealed Delivered - Stevie Wonder 
Take Me To The River - Al Green 
Where Did Our Love Go - Supremes, J Geils Band

 Originals:

All Over Again 
Azelea Sale 
Be Still And Know 
Creepin' Around 
Different Kind Of Love 
Fill My Eyes 
For A Friend Like You 
He Will Rejoice Over You 
Just Keep Working At It 
Moments Of Ecstasy 
Seemed Like A Good Idea At The Time 
Sewn Up Tight 
Slow Easy Time 
What You Doing To Me 
You And Me

80's and 90's: 

Every Breath You Take - The Police  
Fast Car - Tracy Chapman  
Free Fallin - Tom Petty and the Heartbreakers  
I Still Haven't Found What I'm Looking For - U2  
Jack And Diane - John Mellencamp  
Pink Houses - John Mellencamp  
Purple Rain - Prince  
So Lonely - The Police  
Sweet Child O' Mine - Guns N' Roses  
The Heart Of The Matter - Don Henley  
With Or Without You - U2  
You Can Call Me Al - Paul Simon  
Always Be My Baby - Mariah Carey  
Good Riddance (Time Of Your Life) - Green Day  
Hard To Handle - The Black Crowes  
Hold My Hand - Hootie & The Blowfish  
I Only Wanna Be With You - Hootie & The Blowfish  
If I Ever Lose My Faith In You - Sting  
Iris - The Goo Goo Dolls  
Little Miss Can't Be Wrong - Spin Doctors  
Lullaby - Shawn Mullins  
Name - The Goo Goo Dolls  
Shine - Collective Soul  
What's Up - 4 Non Blondes  
Wonderwall - Oasis  
You Gotta Be - Des'ree  
One - U2

Country: 

After The Fire Is Gone - Loretta Lynn  
Aiko Aiko - Grateful Dead  
Angel Band - Stanley Brothers  
Angel From Montgomery - John Prine  
Big City - Merle Haggard  
Broken Halos - Chris Stapleton  
Chicken Fry - Zac Brown Band  
Concrete And Barbed Wire - Lucinda Williams  
Country Roads - John Denver  
Daddy Doesn't Pray Anymore - Chris Stapleton  
Fishing Blues - Taj Mahal  
Folsom Prison Blues - Johnny Cash  
Georgia On My Mind - Willie Nelson / Ray Charles  
Going Down The Road Feeling Bad - Grateful Dead  
Good Directions - Billy Currington  
I Got Me A Woman - Waylon Jennings/ Levon Helm  
I'm Gonna Miss Her - Brad Paisley  
In Color - Jamey Johnson  
Jackson - Lucinda Williams  
Knee Deep - Zac Brown Band  
Maggie's Farm - Bob Dylan  
Mama Tried - Merle Haggard  
Mud On The Tires - Brad Paisley  
Nightlife - Willie Nelson  
Ol' Red - Blake Shelton, George Jones  
On The Road Again - Willie Nelson  
Sing Me Back Home - Merle Haggard  
Summer Of My Dreams - Dave Mallett  
Tennesee Whiskey - Chris Stapleton  
The 8th Of January - Traditional  
Wagon Wheel - OCMS  
Walkin' Down The Line - Eilen Jewell  
Walking After Midnight - Patsy Cline  
Whiskey River - Willie Nelson  
Why Me Lord - Johnny Cash  
Working Man Blues - Merle Haggard

America songbook / Jazz standards: 

Accentuate The Positive - Frank Sinatra  
Ain't Misbehavin' - Fats Waller  
Can't We Be Friends - Ella & Louis  
Cheek To Cheek - Ella & Louis  
Don't Get Around Much Anymore - Duke Ellington  
Dream A Little Dream Of Me - Ella & Louis  
Let's Do It, Let's Fall In Love - Louis Armstrong  
On The Sunny Side Of The Street - Louis Armstrong  
Stars Fell On Alabama - Ella & Louis  
Stormy Weather - Lena Horne  
Summer Time - Ella & Louis  
The Best Things In Life Are Free - Sam Cooke  
The Nearness Of You - Ella & Louis  
They Can't Take That Away from Me - Ella & Louis  
What A Wonderful World - Louis Armstrong  
You've Got A Friend In Me - Randy Newman