text: there was a canadian performer who sang "we are the world" all alone. anybody knows his name?   andré-philippe gagnon;  (born 1962 in quebec city, quebec) is a quebecois comedian and impressionist.  his impressionist act is unique for his specialized talent in impersonating the singing voices of celebrities as opposed to his contemporaries who typically can do only the speaking voices. he is best known for duplicating we are the world.