Roland TR-808 drum machine, layered synthesizers and an overall dark, ominous or bleak atmosphere and lyrical content. The term "trap" referred to places where drug deals take place. In the 2010s, artists crossbred trap with dubstep to create trap EDM. It also influenced Latin trap music. Prominent rappers of the trap music subgenre during the 2010s include Gucci Mane, Future, 2 Chainz, Migos, Young Thug, 21 Savage, Kodak Black, Cardi B, Nasty C and Lil Baby, among several others. Trap music during the 2010s also helped record producers rise to prominence such as Mike Will Made It, Lex Luger, Southside, Metro Boomin, London on da Track, Murda Beatz, and more. Trap metal Trap metal (not to be confused with Nu Metal) is a fusion genre that started in the 2010s, combining elements of trap music and heavy metal, as well as elements of other genres, like industrial and nu metal. It is characterized by distorted beats, hip hop flows, harsh vocals, and down tuned heavy metal guitars. British rapper Scarlxrd is often associated with the genre and is considered a pioneer of trap metal. WQHT described OG Maco's 2014 eponymous EP as being a part of the genre's early development. Other artists associated with trap metal include Dropout Kings, Bone Crew, Ghostemane, ZillaKami, Fever 333, Ho99o9, City Morgue, Kid Bookie, Rico Nasty, Kim Dracula, Backxwash, Denzel Curry, and $uicideboy$, as well as the early careers of XXXTentacion, 6ix9ine and Ski Mask the Slump God. Emo Rap Emo rap is a fusion genre of hip hop and emo. Originating in the SoundCloud rap scene in the mid-2010s, the genre fuses characteristics of hip hop music, such as beats and rapping, with the lyrical themes, instrumentals, and vocals commonly found in emo music. XXXTentacion, Juice Wrld, and Lil Peep are some of the most notable musicians in the genre. Emo rap departs from the "traditional" tones found in modern mainstream hip hop in favor of more emotional and personal lyrical content, described by the Wall Street Journal as "giving their elders the finger." Lyrics tend to focus on topics such as depression, loneliness, anxiety, drug abuse, nihilism, suicide, heartbreak, and self-medication. The genre is characterized by its combination of musical elements commonly found in conscious hip hop with indie rock instrumentals. Sampling often uses 2000s pop punk and emo songs. Emo rap was pioneered by Bones, whose VHS-recorded music videos and dark