Generation Axe, Steve Vai, Zakk Wylde, Yngwie Malmsteen, Nuno Bettencourt & Tosin Abasi at Fox Theater Oakland

Steve Vai is a three-time Grammy Award-winning, 15-time Grammy-nominated guitarist who has been voted the "10th Greatest Guitarist" by Guitar World magazine and has sold over 15 million records. He began his career in 1978 as Frank Zappa's transcriptionist, before joining his band for three years, and after that becoming a successful solo artist.

Zack Wylde is best known as is best known as Ozzy Osbourne's guiatrist and founder of the heavy metal band Black Label Society. An American musician, singer, songwriter, multi-instrumentalist and occasional actor, Wylde was formerly the lead guitarist and vocalist in Pride & Glory before the group disbanded in 1994, and he is also a solo artist, having released the albums Book of Shadows and Book of Shadows II.

Yngwie Malmsteen is a Swedish neoclassical metal guitarist and bandleader, mostly known for his 20-album solo career, which spans nearly four decades. He has been rated by Time Magazine as one of the ten greatest electric guitar players of all time.

Portuguese-American guitarist, singer-songwriter, and record producer Nuno Bettencourt is best known as the lead guitarist of Boston rock band Extreme. Founder of several bands, including Mourning Widows, Population 1, DramaGods and The Satellite Party, Bettencourt has also released a solo album.

Nigerian-American guitarist Tosin Abasi is the founder and lead guitarist of the instrumental progressive metal band Animals as Leaders and was formerly the guitarist for the technical metalcore band Reflux.

Together they are Generation Axe.