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Every hit song has an origin story, and some of the best ones involve a writer who never expected to hear their words coming out of someone else's mouth on the radio. Long before certain artists became recognizable names in their own right, they were quietly handing off songs, sometimes reluctantly, to bigger stars who turned those tracks into career-defining moments.
What makes these stories interesting is the timing. In each case, the songwriter was still years away from their own commercial breakthrough.
They were paying rent, chasing publishing deals, or just hoping someone with a bigger platform would say yes to a demo. Here are seven artists who did exactly that before the world knew their faces.
1. Carole King wrote hits for the Shirelles and Little Eva years before Tapestry made her a star
Long before she became one of the defining singer-songwriters of the 1970s, Carole King was a Brill Building staff writer churning out songs for other performers. Working with her then-husband Gerry Goffin, she co-wrote "Will You Love Me Tomorrow" for the Shirelles in 1960, a song that became the first number-one hit by an all-female vocal group on the Billboard Hot 100.
Two years later, King and Goffin wrote "The Loco-Motion" for Little Eva, another chart-topper. King did not release her own breakout solo album, Tapestry, until 1971, more than a decade after she had already helped define pop songwriting for other people's voices.
By the time audiences recognized her as a performer, she had already shaped the sound of an entire era from behind the scenes.
2. Kesha sang the hook on Flo Rida's "Right Round" before "Tik Tok" made her a household name
Before she became one of pop's biggest names, Kesha was writing for other artists and singing backup on other artists' records while trying to get her own career off the ground. In late 2008, producer Dr. Luke pulled her into the studio to add female vocals to a Flo Rida track that would become "Right Round," and the female vocals came from a then-unknown singer-songwriter named Kesha Sebert, who later in 2009 would release her debut single "TiK ToK" and become a superstar.
The twist is that Kesha barely got credit for her part in one of 2009's biggest songs. She attained ten top-ten singles on the Hot 100 including "Tik Tok" and "Right Round" with Flo Rida, though she is not credited for her feature on the United States release of "Right Round" and did not collect any money for the part.
She even turned down an offer to appear in the music video, later explaining that she wanted to build her own name rather than ride on someone else's song.
3. Sia wrote "Titanium" for David Guetta while trying to disappear from the spotlight, not step into it
By the time "Titanium" became a global smash in 2011, Sia was not trying to become famous. She was doing the opposite. As she put it herself, she had written the song intending someone else to sing it, recalling that "I wrote it for Alicia Keys. And then she passed." Mary J. Blige recorded a version next, but after that leaked online, David Guetta decided to release the track with Sia's original guide vocal instead. Sia was reportedly caught off guard by the decision, later explaining that he took Mary J. Blige's vocal off it, put her demo vocal back on without asking, and released it, and she never even knew it was going to happen and was really upset, because she had just retired and was trying to be a pop songwriter, not an artist. It would take three more years and "Chandelier" in 2014 before Sia became the reluctant pop star audiences know today, hiding behind wigs and dancers rather than her own face.
4. Kacey Musgraves gave up her planned debut single so Miranda Lambert could record "Mama's Broken Heart"
Before Kacey Musgraves had a record deal of her own, she was a Nashville staff writer holding onto a song she considered special. She later explained that "It was gonna be my first single and I loved the song so much. I had been a staff writer for years at that point, writing for other people and had finally felt like I was collecting songs that felt like me that I didn't wanna pitch to anyone else." Miranda Lambert ended up hearing the song through a family connection and, according to Musgraves, the track was pitched to Lambert "without my consent or knowledge." Lambert recorded "Mama's Broken Heart" for her 2011 album and released it as a single in 2013, where it became her highest-charting hit at the time. Musgraves went on to release "Merry Go 'Round" as her actual debut single in 2012, a decision she later said made far more sense for her as an artist anyway.
5. Meghan Trainor wrote for Rascal Flatts and Sabrina Carpenter before "All About That Bass" existed
Meghan Trainor spent years working as a songwriter for other performers before anyone knew her name as an artist. After signing a publishing deal in 2012, she wrote songs for a number of acts including Hunter Hayes, Rascal Flatts, R5, and Sabrina Carpenter, and she also earned early songwriting royalties writing tracks for international artists, including one recorded by a Danish singer. "All About That Bass" almost went to someone else entirely. Trainor later admitted that during the writing session, she caught herself pretending to write for a bigger star before deciding to keep it, recalling: "Let's just write an awesome song instead of pretending I'm Rihanna for a second. And then the song happened and it was amazing." Released in 2014, it became her breakout single and turned her from a behind-the-scenes writer into a chart-topping artist almost overnight.
6. Skylar Grey wrote the hook for Eminem and Rihanna's "Love the Way You Lie" while living in a cabin, broke and unknown
Before she was Skylar Grey, she recorded as Holly Brook and had already been through one failed record deal. Wikipedia notes that in 2004, she signed a publishing deal with Universal Music Publishing Group and a recording contract with Linkin Park's Machine Shop Recordings under the name Holly Brook, and her debut studio album served as her only release with the label.
Writing under her new name, she sent producer Alex da Kid a demo that became the foundation of one of 2010's biggest hits. As documented, writing began in late 2009, when singer Skylar Grey resided at the Artula Retreat in Bandon, Oregon, and wrote songs.
Eminem added his verses, Rihanna took the chorus, and the song spent weeks at number one worldwide, all while Grey herself remained largely unknown to the public until her own singing career developed afterward.
7. Jessie J wrote "Party in the U.S.A." before Miley Cyrus made it a generational anthem
Jessie J was still an unsigned songwriter working the Los Angeles session circuit when she helped write "Party in the U.S.A." with Dr. Luke and Claude Kelly. The song was originally shaped with Jessie J's own voice in mind, but timing and label politics meant it never became her single. Instead, it was handed to Miley Cyrus, who released it in 2009 and turned it into one of the most recognizable pop songs of that year. Jessie J's own breakthrough did not arrive until roughly a year later, when "Do It Like a Dude" and then "Price Tag" introduced her as a performer rather than just a name on a songwriting credit. It is a familiar pattern among writers who work the pop machine long enough. Sometimes the song you wrote for yourself ends up launching someone else's career first, and your own arrives on a different schedule entirely. What ties all seven of these stories together is not luck, exactly. It is closer to persistence meeting a strange kind of professional patience, writing songs for other people while quietly hoping that one day the credits would read differently. Some of these artists, like Sia and Kesha, ended up performing versions of the very songs that once belonged to someone else. Others, like Carole King and Kacey Musgraves, simply moved on and wrote new songs that better fit who they eventually became as performers.
