 
<translate> Wannan shine bayanin da ya dace: An rubuta shi ne ta mawaƙin Amurka Prince, ta amfani da sunan barkwanci "Christopher". Don haka, amsar karshe ita ce mawakiyar Amurka Prince, ta amfani da sunan barkwanci 'Christopher'. <eng> This is the relevant information: It was written by American musician Prince, using the pseudonym "Christopher".
So, the final answer is American musician Prince , using the pseudonym `` Christopher ''. 