When Irish Eyes Are Smiling by Ernest Ball (optional sing-along) - Charles Manning, Piano Improv 

"When Irish Eyes Are Smiling" was composed by Ernest Ball, with lyrics by Chauncey Olcott and George Graff, Jr. The song was written for the Olcott production of "The Isle O' Dreams." Published in 1912, "When Irish Eyes Are Smiling" is a popular tribute to Ireland. The song has been recorded by many famous singers, including John McCormack, Bing Crosby, and Connie Francis. On St. Patrick's Day 1985, Canadian Prime Minister Brian Mulroney and US President Ronald Reagan performed "When Irish Eyes Are Smiling" together at the "Shamrock Summit." This piano accompaniment for the song is improvised by Charles Manning. To sing along with Charles, follow the words of the famous refrain printed below. Happy St. Patrick's Day!
~ Introduction ~
When Irish eyes are smiling
Sure, 'tis like the morn' in Spring,
In the lilt of Irish laughter
You can hear the angels sing,
When Irish hearts are happy
All the world seems bright and gay,
And when Irish eyes are smiling
Sure, they steal your heart away!