Fujiko:
So This Is Love (Cinderella)
He's a Tramp (Lady and the Tramp)
I Won't Say I'm In Love (Hercules)
Marco:
This. Hero of the Story
--- And it'd be all about Whitebeard and Ace ;;
---Ooc-ish: BASICALLY Marco would sing a lot of these as a deadpan joke, but really just that sooo don't get on my case---
A Friend Like Me (Aladdin)
Supercalifragilisticexpialidocious (Mary Poppins)
Let Me Be Your Wings (Thumbelina) -- Craaaack but idec it fits
Give a Little Whistle (Pinocchio) -- Admittedly he'd just do that about himself I think XD (Always let your captain/phoenix/bluebird/nakama/Marco be your guide)
The Entire WB Crew:
Click to view
That's What Friends Are For (Jungle Book)
-- Booth would too just saying.
ALSO ENTIRE WB CREW:
Kiss the Girl (Little Mermaid)
We Are One (Lion King 2) -- shut up you know it's way too applicable XD
Good Company (Oliver)
Seize the Day (Newsies)
Ace:
ALL OF THEM EVER
One Jump Ahead (Aladdin)
You'll Be In My Heart (Tarzan)
Your Heart Will Lead You Home (Tigger Movie)
I'm Still Here (Treasure Planet)
No Way Out (Brother Bear)
Smoker:
No. Just no. He had enough issues singing Pirates of Penzance when forced by event. XD