"Hackensack" is a song originally performed by the American rock band Fountains of Wayne. It was released in 2003 as part of their album Welcome Interstate Managers. The song was composed by Adam Schlesinger and Chris Collingwood, the lead singer of the band. "Hackensack" is an alternative rock track that showcases heartfelt lyrics and a melodic sound. It has gained popularity for its relatable themes of unrequited love and longing for someone who has moved on. Notable trivia about the song includes its appearance in the popular TV show "The O.C." as well as Fountains of Wayne's Grammy nomination for Best New Artist in 2003. The song is performed in the key of F major and features a catchy and memorable melody.