Roots of Stadium Arcadium

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.

Brandy Rayana Norwood, known professionally as Brandy, is an American singer, songwriter, and actress. She is known for her intricate vocal riffs, and is regarded as an influential figure in contemporary R&B.