Karaoke was a form of singing at parties in the 21st century.
The TARDIS had a karaoke bar. The Eleventh Doctor once claimed that, if it were to be disabled, the TARDIS could sustain a paradox, although he later admitted that he was lying. (TV: The Girl Who Waited) The Eleventh Doctor took River Song and Jim the Fish out for karaoke in the 48th century. (GAME: The Eternity Clock) Nonetheless, the Twelfth Doctor listed karaoke among things he didn't like. (TV: Deep Breath)