<page_title> List of number-one R&B singles of 1984 (U.S.) </page_title> <table> <cell> January 28 </cell> <cell> "If Only You Knew" </cell> <cell> February 4 </cell> <cell> "If Only You Knew" </cell> <cell> February 11 </cell> <cell> "If Only You Knew" </cell> <cell> February 18 </cell> <cell> "If Only You Knew" </cell> </table>
If Only You Knew single spent four weeks at #1 on the U.S. R&B chart during January and February 1984.