"I Believe" is an inspirational R&amp;B ballad by American singer R. Kelly. The song initially appeared on the "Osmosis Jones soundtrack" in 2001 but was later re-written and re-arranged in order to become an anthem for U.S. President Barack Obama's inauguration. The non-album song was released via Amazon.com on December 16, 2008 and appeared later on the compilations "" and "Epic". The song has received positive reviews from fans and critics alike.