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What are some good piano songs to request at a piano bar?

I am going to a party tonight and have been told to think of some good song requests for the pianist. It will be an upbeat party and not a classy "background" music kind of thing. Can you think of any good songs? Of course, piano man is a good one. What are some others?

"Chantilly Lace"
"Sittin' On the Dock of the Bay"
"Crocodile Rock"
"Sweet Caroline"
"Try A Little Tenderness"
"Hey Good Lookin"
"Lion Sleeps Tonite"
"Twist and Shout"
"Bad, Bad Leroy Brown"
"Day Oh"
"Johnny B. Goode"
"Great Pretender"
"Tutti Fruitti"
"Puff the Magic Dragon"
"Unicorn Song"

HAPPY HOLIDAYS!