Short answers, pulled from the story.
Trap music originated in 1991 in Atlanta, where the term trap house referred to a location where drug deals took place. The genre began as a regional dialect of Southern hip-hop before evolving into the most commercially successful sound of the 21st century.
Producers like DJ Spanish Fly and DJ Paul worked alongside rappers such as Outkast and Goodie Mob to create the early sonic identity of trap music. They utilized the Roland TR-808 drum machine to create deep, resonant bass frequencies and complex, rolling hi-hat patterns.
Trap music achieved mainstream commercial dominance by the end of the 2010s, with hip-hop becoming the most popular form of music for the first time ever according to Nielsen Data in 2018. The genre's influence extended to pop, R&B, reggaeton, and K-pop, with artists like Ariana Grande and Beyoncé incorporating trap elements into their work.
Subgenres such as drill music, bubblegum rap, and Latin trap emerged from trap music, with artists like Chief Keef, DJ Snake, Bad Bunny, and Anuel AA popularizing these styles. The genre also spawned electronic dance music and country fusion tracks like Old Town Road in 2019.
T.I. opened a pop-up Trap Music Museum in Atlanta in 2018 to acknowledge the most significant contributors to the culture and to inform those who may be least knowledgeable about the genre. The museum served as a physical manifestation of the genre's history, showcasing the evolution of the sound from its origins in the Atlanta ghetto to its dominance of the global music scene.