Roots of Synyster Gates

Steven Siro Vai is an American guitarist, songwriter, and producer. A three-time Grammy Award winner and fifteen-time nominee, Vai started his music career in 1978 at the age of eighteen as a transcriptionist for Frank Zappa, and played in Zappa's band from 1980 to 1983. He embarked on a solo career in 1983 and has released 11 solo albums to date. He has recorded and toured with Alcatrazz, David Lee Roth, and Whitesnake, as well as recording with artists such as Ozzy Osbourne, Public Image Ltd, Mary J. Blige, Spinal Tap, Alice Cooper, Motörhead, and Polyphia. Additionally, Vai has toured with live-only acts G3, Zappa Plays Zappa, Beat and the Experience Hendrix Tour, as well as headlining international tours.

Saul Hudson, known professionally as Slash, is a British and American musician, best known as the lead guitarist of the hard rock band Guns N' Roses, with whom he achieved worldwide success beginning in the late 1980s. He has received critical acclaim and is considered one of the greatest guitarists in history.

Mr. Bungle is an American experimental rock band formed in Eureka, California, in 1985. Having gone through many incarnations throughout its career, the band is best known for its experimental rock period. During this time, it developed a highly eclectic style, cycling through several musical genres, often within the course of a single song, including heavy metal, avant-garde jazz, ska, disco, and funk, further enhanced by frontman Mike Patton's versatile singing style. This period also saw the band utilizing unconventional song structures and samples; playing a wide array of instruments; obscuring the members' identities and dressing up in masks, jumpsuits, and other costumes; and performing a diverse selection of cover songs during live performances.

Oingo Boingo was an American rock band formed by songwriter Danny Elfman in 1979. The band emerged from a surrealist musical theatre troupe, the Mystic Knights of the Oingo Boingo, that Elfman had previously led and written material for.