"I Feel for You" by Chaka Khan was released five years after 1984.
 This pattern arose for basically the same reason that lowercase i acquired a dot: so it wouldn't get lost in manuscripts before the age of printing:The capitalized "I" first showed up about 1250 in the northern and midland dialects of England, according to the Chambers Dictionary of Etymology
  The dot over the lowercase 'i' is sometimes called a tittle

