What is the Kesha song that was at one point the best-selling digital single in history and parodied by the group The Midnight Beast?
The Midnight Beast:  They are most famous for their YouTube cover-parody of the 2009 single "TiK ToK" by American pop artist Ke$ha. Kesha:  "Tik Tok", at one point, was the best-selling digital single in history, selling over 14 million units internationally.
Tik Tok