Roots of Jerry Cantrell

Paul Daniel "Ace" Frehley was an American musician who was the original lead guitarist, and occasional vocalist, and a founding member of the rock band Kiss. He invented the persona of the Spaceman and originally played with the group from its inception in 1973 until his departure in 1982, before later rejoining in 1996 until his final departure in 2002.

David Jon Gilmour is an English musician, singer, and songwriter best known for being the lead guitarist of the English rock band Pink Floyd. He joined in 1967, shortly before the departure of founding member Syd Barrett. By the early 1980s, Pink Floyd had become one of the highest-selling and most acclaimed acts in music history. Following the departure of Roger Waters in 1985, Pink Floyd continued under Gilmour's leadership and released the studio albums A Momentary Lapse of Reason (1987), The Division Bell (1994) and The Endless River (2014).