 Shortly after this he recorded a number 4 hit in the US Billboard with the song "Rainbow", and all the time Hamilton continued to entertain Butlins guests.It was Billy Butlin himself who asked Hamilton to record "We Will Make Love" for the benefit of Butlins guests.Other artists have gone on to find success building on the skills they learned as a Redcoat, such as Des O'Connor, Jimmy Tarbuck, and Michael Barrymore.