On June 17 the pop world was rocked by three letters: LOL. Kesha tweeted the acronym immediately after Katy Perry announced her new single "Woman's World," which was co-written by Dr. Luke. Since Kesha had accused Dr. Luke of sexual assault a decade earlier, many read her "LOL" as directed at her one-time friend Perry. Kesha, meanwhile, released her own single a week before Perry's, a wild "Joyride" featuring hyperactive accordion, percussive handclaps, and quasi-operatic vocals.

Both pop stars have much at stake with their new songs. For Kesha, it's her first independent release since finishing her multi album contract with Dr. Luke's record label. For Katy Perry, it's her attempt to reconquer the charts after her last attempt fizzled. On this episode, we listen closely to both songs to hear how each artist is navigating a pivotal moment in their career.

Since we are talking about the changing eras of some of our biggest stars, we knew we had to speak to an expert on the subject: Tayla Parx, the singer and songwriter whose newest track "Era" considers the tension between letting the moment define you, or defining it yourself.

Songs Discussed:

Kesha - Joyride, Tik Tok, Eat the Acid, Raising Hell, Praying

Katy Perry - Womans World, I Kissed a Girl, California Gurls, Daisies

Lady Gaga - Born This Way

Madonna - Express Yourself

Tayla Parx - Era

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