"I Need to Know" is a song by Marc Anthony. It was released as the lead single of his first English language album Marc Anthony, on August 15, 1999. The song was written and produced by Marc Anthony and Cory Rooney. A Spanish version, titled "Dímelo", was released, with the collaboration of Robert Blades and Angie Chirino. The lyrics are about a man who wants to know about a woman's feelings for him. Both versions of the track were very successful in the United States. The English version peaked at number 3 in the Billboard Hot 100, and at number-one in the Hot Latin Tracks for 5 consecutive weeks. This track received three Latin Grammy nominations including: Song of the Year, Record of the Year and Best Male Pop Vocal Performance. "I Need to Know" won Song of the Year at the 2000 Latin Grammy Awards. Also, during that ceremony, Marc Anthony received a nomination for Best Male Pop Vocal Performance, but Sting took the award with his single, "Brand New Day".