Question: What is the profession of Josey Scott and Dez Fafara ?

Context paragraphs:
Trust No One (DevilDriver album): All lyrics by Dez Fafara and all music by Mike Spreitzer, Neal Tiemann and Austin D'Amond.

Hero (Chad Kroeger song): "Hero" is a song recorded by Chad Kroeger (lead vocalist of Nickelback) and Josey Scott (then lead vocalist of Saliva) for the soundtrack to the 2002 film "Spider-Man".  It was written by Kroeger, Scott, and Tyler Connolly and recorded specifically for the film.  "Hero" was released through Roadrunner Records on March 1, 2002 as the soundtrack's lead single.  The song serves as Kroeger's debut solo release.

DevilDriver: DevilDriver are an American heavy metal band from Santa Barbara, California, formed in 2002, consisting of vocalist Dez Fafara (the only remaining original member), guitarists Mike Spreitzer and Neal Tiemann, drummer Austin D'Amond, and bassist Diego "Ashes" Ibarra.  The band was originally named Deathride, however, due to copyright issues and the name being taken by several bands , Deathride changed its name to DevilDriver, which refers to bells Italian Wiccans used to drive evil forces away.

DevilDriver (album): DevilDriver is the self-titled debut album by California-based heavy metal band DevilDriver, the new band of former Coal Chamber singer Dez Fafara.  In comparison to the other albums by DevilDriver, it is musically simpler, and Fafara sings in a different style.

Family Reunion (Saliva song): "Family Reunion" is the first single from Saliva's sixth studio album, "Cinco Diablo".  Lead singer Josey Scott has said that the song is about meeting their fans on the road.  The song peaked at #14 on Billboard's Mainstream Rock Tracks chart in 2008.

Phinally Phamous: Phinally Phamous is the second studio album by rapper Lil Wyte.  It debuted at #64 on Billboard 200 and #6 and featured Frayser Boy, Josey Scott, Three 6 Mafia, Hypnotize Camp Posse and Dirtbag.  The album is Lil Wyte's only release that has been confirmed to be out of print as of 2012.

Coal Chamber: Coal Chamber was an American nu metal band formed in Los Angeles, California in 1993.  Prior to Coal Chamber, Dez Fafara and Meegs Rascón formed the band She's In Pain in 1992.  The two decided to create Coal Chamber.  They disbanded in 2003 after ten years together, but announced a reunion in September 2011.  Their first drummer, Jon Tor, was eventually replaced by Mike Cox (who beat out his older brother for the spot).  After bass guitarist Rayna Foss joined, the Coal Chamber lineup was complete.

Always (Saliva song): "Always" is the first single off the album "Back into Your System" by the rock band Saliva with lead vocalist Josey Scott.  It made it to number 1 on the Modern Rock Tracks for one week in February 2003, and has been Saliva's most successful hit, peaking at #51 on the Hot 100.

Dez Fafara: Bradley James 'Dez' Fafara (born May 12, 1966) is an American metal vocalist who performs in the bands DevilDriver and Coal Chamber.

Josey Scott: Josey Scott (born Joseph Scott Sappington; May 3, 1972) is the former lead vocalist of the rock band Saliva.  In addition to Saliva, Scott co-wrote and performed "Hero" (which was used as one of the theme songs to the 2002 film "Spider-Man") with Chad Kroeger of Nickelback.

Supporting paragraphs: Josey Scott Dez Fafara
Answer: vocalist