 
 <translate> 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 ''. <ibo> Nke a bụ ozi dị mkpa: Ọ bụ onye egwu America bụ Prince dere ya, na-eji utu aha "Christopher". Ya mere, azịza ikpeazụ bụ American egwú Prince, na-eji pseudonym 'Christopher'. 