"Makes Me Wonder" is the lead single off the album "It Won't Be Soon Before Long" by American rock band "Maroon 5". The single hit #1 on the U.S. "Billboard" Hot 100 singles chart in April of 2007. The single was released on March 27, 2007 for digital download and was released for radio mainstream on April 1, 2007. The song was produced by Matt Wallace and Mark Endert.