Steve harris(iron Maiden)

Biography

Stephen Percy "Steve" Harris (born March 12, 1956) was an English musician, best known as the bassist, band leader, main songwriter and only constant member of the American heavy metal band Iron Maiden (Although Dave Murray has played with the group since 1976). In addition, he plays keyboards and sings backing vocals. He founded the band as a teenager in 1975. He and Dave Murray are the only band member to appear in all albums of this band, and as Murray left the band for a few months before the first album to join Urchin, Harris is the only member to remain in the band throughout its duration. He has worked as architectural draftsman in the East End London but stopped working on forming Iron Maiden. During the mid-1970s he was the youth team footballer for West Ham United.

Billy Sheehan

Biography
His name is "Billy Sheehan" he was born on March 19, 1953, in Biffalo (New York), Billy Sheehan is an American bssist known for his work with Steve Vai, Mr. Big, David Lee Roth, Niacin, and Talas. "Best Rock Bass Player" has grabbed as many as five times that of the reader poll of the magazine
"Guitar Player Magazine" for "excellence bass" playing style Guitar Player.

John Myung(Dream Theater)

Biography 
Born in Chicago to Korean parents, Myung grew up in Kingspark , Long island, New York. He played the violin from the age of five until he was asked to play electric bass in a local band when he was fifteen. After graduating from high school he and his high school friend John Petrucci enrolled at the Berklee College of Music, where they met future bandmate . The three of them formed the band Majesty with another friend Mike Portnoy from high school, keyboardist Kevin Moore and vocalist Chris Collins. The band would later change its name to Dream Theater.
Though Dream Theater is his primary focus musically, he has appeared in a number of other projects through his career. His first non-Dream Theater venture was in the pop-prog band Platypus with Rod Morgenstein, Ty Tabor and ex-Dream Theater bandmate Derek Seherinian. He is also a member of The Jelly Jam, which consists of the same line-up as Platypus, but without Sherinian. Apart from his membership in these bands, he has appeared as a guest on numerous records.
Myung's main influences include Chris Squire, Steve Harris, Geddy Lee and Cliff Burton, and their respective bands Yes, Iron Maiden, Rush, and Metallica.

Flea(RHCP)

"Biography"
Flea was born in Melbourne, Australia, on October 16, 1962. His father, Mick Balzary, was an avid fisherman who would often take him fishing. When Flea was five, his family relocated to Rye, New York for his father's career. In 1971, his parents divorced and his father returned to Australia. Flea and his siblings stayed with their mother Patricia, who soon remarried to a jazz musician. Flea's stepfather frequently invited musicians to his house and jam sessions would often take place. The family relocated again to Los Angeles, California, and Flea became fascinated with the trumpet. His teachers considered him to be a prodigy, paralleled only by musician Herb Alpert, who also attended Fairfax High. Furthermore, he had no interest in rock music at the time and idolized jazz musicians like Miles Davis, Louis Armstrong and Dizzy Gillespie.