Nicholas Marshall(assistant), Joel Numa, Ron Taylor, Paul Hoyle, Freddy Piñero, Jr.(additional), Ken Theis(assistant), Christine Tramontano(assistant), Marcelo Acevedo, Felipe Alvarez, Marcelo Añez, Eric Shilling, Javier Garza, Sonido Azulado, Luly Deya(assistant), Mike Couzzi(additional), Alfred Figueroa(additional), Jorge Gonzalez(additional), Carlos Paucar(additional), Ed "The Will" Williams(assistant), José Martínez(assistant), Camillo Montilla, Freddi Niño(assistant), Victor Di Persia, Daniel Pursey, Dave Clauss, Josep Baiges(assistant), Miguel Bustamante(assistant), Rachael Findlen(assistant), Clint Gibbs, Ghazi Hourani(assistant), Oswald Bowe(assistant), Chris Carroll(assistant), Alex Dixon(assistant), Jorge Gonzalez(assistant), Roger Gonzalez(assistant), Tony Mardini(assistant)

Sebastián Krys, Eric Schilling, Juan Antonio Castillo, Rob Jacobs, Dave Clauss, Javier Garza, Rob Cohen(assistant), Mike Horner(assistant), Joel Condal(assistant)

Hossam Ramzy, Billboard, Cirkut, Dr. Luke, J2, Alexandre Lins, Shakira, Luis Fernando Ochoa, El Cata(co), John Hill(additional), Luis Fernando Ochoa(co), John Hill, Tim Mitchell(co), Lester Mendez, Lester Mendez(co), Lukas Burton, Future Cut, Amanda Ghost, Lexuz, Steve Mac, Alexander Castillo Vasquez