Based on the clue 'chances are you know hes the singer who duetted wi...', what is the answer?

What is referred to by 'chancellor gerhard schroeder'? What is referred to by 'chancellor helmut kohl'? What is associated with: chancellor of germany 1871 1890? What is associated with: chancellor of the exchequer who succeeded anthony eden as british prime minister in 1957? What is associated with: chances are you know that this singers chances are was a no 1 hit in 1957? Based on the clue 'chandeliers look great but nowadays dont usually u...', what is the answer? What is referred to by 'chandigarh jaipur amritsar'? What is associated with: chandler helps perry henson discover this on april 6 1909 after he asks could it be any more c…