In a practice room, seven acrobats perform somersaults and do cartwheels and splits in midair.
Portraying tribesmen in a mystical forest, they make clawing gestures with their hands, as jungle-themed music thumps away in the background. Just minutes ago, other acrobats flew in the air – doing backflips and twirls while suspended by a bungee cord.
A few rooms away, three stuntmen rappel head-first down from the ceiling of the 1,600-seater Resorts World Sentosa Theatre.
They are rehearsing their grand entrance for the new musical, LightSeeker, opening next month.
Some have graced the stages of the West End, London’s famous theatre district.
Others were national gymnasts or performers in Cirque du Soleil.
They are now pulling out all the stops, practising aerial stunts and martial arts.
Lead actress and veteran performer Vivienne Carlyle, who plays an evil sorceress, says: “I’ll be singing in mid-air because my character can levitate.”
This will be the first time she “flies” on stage. She says: “I was nervous on my first day of fly training. My suspended body kept tilting forward, although I’m supposed to stand straight.”
Stuart Boother, 30, who plays a general, says: “I have a fight scene in between singing two songs. I’ll be quite out of breath, but it will be worth it.”