Enigma is a concert residency held at the Park Theater, Park MGM in Las Vegas, United States, by American singer and songwriter Lady Gaga. The residency consists of two types of shows: Enigma, which focuses on theatricality and includes the singer's biggest hits, and Jazz and Piano, which involves songs from the Great American Songbook and stripped-down versions of Gaga's songs. The Enigma residency show opened on December 28, 2018, and the Jazz and Piano show opened on January 20, 2019. It was praised by critics, and became the highest grossing Las Vegas concert residency of 2019. With Enigma's gross, Gaga also became the fifth woman to pass the half-billion career total as per Billboard Boxscore.