Bigram John Zayas, professionally known as DVLP or Develop, is an American record producer, songwriter and disc jockey (DJ). Hailing from New York City, DVLP initially embarked on his career in music as one-half of the production team Doe Boys, alongside his cousin Matthew "Filthy" Delgiorno. Working primarily in the hip hop, pop, and Latin genres, he has produced over 25 songs for American rapper Lil Wayne, including the songs "Fireman" (2005) and "Blunt Blowin" (2011). In 2013, he gained major recognition when he produced the Eminem single "Rap God", which went on to reach number seven on the US ’’Billboard’’ Hot 100 chart.

Alain Macklovitch, known by his stage name A-Trak, is a Canadian DJ, record producer, and record executive. He came to prominence in the late 2000s as an international club DJ and remix artist, known for incorporating highly technical turntable skills and scratching into his genre-spanning work. He is also president of the record label Fool's Gold, which was founded in 2007, and is credited for developing the careers of artists such as Kid Cudi, Danny Brown, and Flosstradamus. Among other collaborative projects, he is part of the DJ duo Duck Sauce with Armand Van Helden and was nominated for a Grammy in 2012 for their song "Barbra Streisand".