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.
Nicko McBrain Michael Henry "Nicko" McBrain (born 5 June 1952) is an English musician, best known as the drummer of the British heavy metal band Iron Maiden, which he joined in 1982. Having played in small pub bands from the age of 14, upon leaving school McBrain paid his bills with session work before he joined a variety of artists, such as Streetwalkers, Pat Travers, and the French political band, Trust. He joined Iron Maiden in time to debut on their fourth album, "Piece of Mind" (1983), and has remained with them since, contributing to a total of thirteen studio releases.