"Onion Girl" is a song written by Lady Gaga and produced by Zedd in 2012 for ARTPOP. She revealed the song title on November 19, 2013 in an interview with Canadian radio station, KiSS 92.5. Dave Russel,who engineered the sound for ARTPOP, confirmed that Zedd's track "Addicted To A Memory" actually uses the same instrumental as Onion Girl . Zedd talked about this , where he says the email is fake but he never confirms that he didn't reused the track and confirms that there was another track before Onion Girl.
I'm just an Onion Girl at heart
You can't pull a tear or peel me apart