+ Learn a new musical skill in 10 minutes! Explore Soundfly’s wide array of free online courses and gain a musical edge during your lunch break. Or sign up for the Soundfly Weekly newsletter and learn something new every Tuesday. Ke$ha made a smash hit in 2009 with “Tik Tok.” The video went viral and even became a couch gag for The Simpsons. It recounts Ke$ha’s previous night out after waking up in a bathtub and disappointing her family, before going out for a drive and then hitting the clubs again for another round of partying.