Short answers, pulled from the story.
DJ Paul and Juicy J created the crunk music genre in the mid-1990s within Memphis strip clubs. They developed a raw, repetitive sound using Roland TR-808 and 909 drum machines to prioritize heavy bass and call-and-response chants.
The word crunk first appeared in print in 1972 in the Dr. Seuss book Marvin K. Mooney Will You Please Go Now! as the term Crunk-Car. It evolved by the 1980s to mean being full of energy in Atlanta nightclubs and was later defined by Rolling Stone magazine as to get excited.
Lil Jon is known as the King of Crunk and he released his first album titled Get Crunk, Who U Wit: Da Album in 1997. He later released the album Crunk Juice in 2004 and became a spokesman for the Crunk brand alcoholic beverage.
The song Get Low by Lil Jon & the East Side Boyz with the Ying Yang Twins put crunk music into the national spotlight. It reached the number two position on the Billboard Hot 100 music chart and spent more than 21 weeks in the charts.
Crunk and crunk&B reached the number one position on the Billboard Hot 100 in 2005 with the song Run It! performed by Chris Brown. This period saw crunk and its subgenres dominate the American R&B charts and replace older styles of contemporary R&B.
Crunk music saw a relative decline in mainstream American music by the end of 2009 due to the rising popularity of trap and drill music subgenres. The genre's influence remained profound in the development of trap music and other subgenres that followed.