OOf thee I sing
Oh Grâce immense (Amazing Grace)

Oh lady be good - Ella

Oh! Look at Me Now

Oh, you crazy moon

Ol' Man River - from Showboat

Old Cape Cod
Old Devil Moon

Oldest Established Permanent Floating Crap Game - from Guys And Dolls

Old MacDonald

On a clear day you can see forever

On a little street in Singapore
On A Slow Boat To China - Frank Loesser

On Broadway - George Benson

Once in love with Amy

Once upon a time
One Bourbon, One Scotch, One Beer (Vital's Blues Online Page)

One fine day

One for My Baby - Frank Sinatra

One Hour Mama - Ida Cox  (Vital's Blues Online Page)

One I Love Belongs to Somebody Else, The

One More Mile - Muddy Waters  (Vital's Blues Online Page)

One never knows, does one?

One Scotch, One Bourbon, One Beer  (Vital's Blues Online Page)

One two button your shoe

Only forever

Only in New York - from Thoroughly Modern Millie
Only the Lonely

On the Atchison, Topeka and the Santa Fe

On The Road to Mandalay

On the sentimental side

On the Street Where You Live - from My Fair Lady

On the Sunny Side of the Street

Organ grinder's swing

Our love is different dear

Our Love Is Here To Stay - Ella

Our Town

Out of nowhere

Over the rainbow - from The Wizard of Oz

Over there