John McCrea and Les Claypool are musicians both from which country?
Les Claypool Leslie Edward "Les" Claypool (born September 29, 1963) is an American musician, singer, songwriter, composer, author and actor best known as the bassist and lead vocalist of the band Primus. Claypool's playing style on the electric bass mixes tapping, flamenco-like strumming, whammy bar bends, and slapping.
Matt Cameron Matthew David Cameron (born November 28, 1962) is an American musician who serves as the drummer for the American rock bands Pearl Jam and Soundgarden. After getting his start with the Seattle, Washington-based bands Bam Bam and Skin Yard, he first gained fame as the drummer for Soundgarden, which he joined in 1986 and remained in until the band's break-up in 1997. In 1998, Cameron was invited to play on Pearl Jam's U.S. Yield Tour. He soon became a permanent member and has remained in the band ever since. In 2010, Soundgarden reunited for a tour and released a new album, "King Animal," on November 13, 2012.