"Love Song" is American singer-songwriter Sara Bareilles' debut single, released in June 2007 via Epic Records from her major-label debut album, Little Voice (2007). It was nominated for 2009 Grammy Awards in the categories Song of the Year and Best Female Pop Vocal Performance.

It remained on the Billboard Hot 100 for 41 weeks. It also spent many weeks atop the Hot Adult Pop Songs and Hot Adult Contemporary Tracks charts, ending up #1 at the year-end tally of both charts. Many consider it her breakout song due to it being her first hit and selling more than any other song by Bareilles.

Speaking of the song's origin, Bareilles said of her label, "They had encouraged me to keep writing, and I just wasn't having any luck. ...I started to get really insecure about it, and then I got really pissed off at myself for caring what anybody thought. ... I went to a rehearsal space one day. I sat down and wrote something for me. And 'Love Song' basically wrote itself. It's totally honest, and I'm very lucky the label liked it as well."

Later in 2011, she explained: "It was actually written for my record label. I had been turning in new music. I was getting the red light. I couldn't go into the studio yet because they were waiting for something. But I wouldn't ... nobody said what they were waiting for. So I kept turning in new songs, thinking like, 'Is this what you want? Is this what you want?' And it was always a big thumbs down, and I ended up writing 'Love Song' out of frustration." In 2014, she stated it was "very tongue-in-cheek" and "nasty in a passive-aggressive way," confirming it was a response to the record label pressuring her to make safe, "radio friendly" songs.

Directed by Josh Forbes, the music video features a miniature Bareilles playing the piano inside a coin-operated jukebox that plays love songs. A steady stream of men and women enter the booth and insert coins to hear Bareilles play, observing her through a pinhole as she plays the same song day after day. The lyrics express her growing frustration as she declares that she is "not gonna write you a love song today," whereupon Bareilles grabs the next coin that rolls inside, and uses it to jam the gears. The next morning, the owner of the booth (who was seen at the beginning of the video) enters; he notices that the jukebox has gone dark, and appears amazed when he discovers Bareilles inside the jukebox. He retrieves the jammed coin from the gears and hands it to Bareilles.

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