Vacancy for a party duo for cruise contract

We have an urgent vacancy for Duo piano player and singer on the cruise ship.
Better all the songs with backing tracks if possible, unless it's a slow song that doesn't need it.
Cruise wants to have more like a "party duo".
The contract will start immediately.
Contract is for 6 months with possible extension.
4 sets of 45 minutes x 6 days a week with 1 day off per week.
Talent fee: 2000-2,250USD per person per month.
Company provides: air tickets, seaman book, accommodation and meals.
Artists need to pay for medical certificates, transit visa and STCW certificates by themselves.