In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with itself. For example, 9 is a square number, since it can be written as 3âÃâ3.
Yes are an English rock band formed in London in 1968 by singer Jon Anderson and bassist Chris Squire. The band have undergone numerous formations throughout its history; nineteen musicians have been full-time members. Since June 2015, it has consisted of guitarist Steve Howe, drummer Alan White, keyboardist Geoff Downes, singer Jon Davison, and bassist Billy Sherwood. Yes adopted several changes in musical style, from rearranged covers to progressive and art rock in the 1970s, before moving towards pop in the 1980s.
Hard Rock & Metal. 2012 two CD release from Hard Rock legends Ian Gillan (Deep Purple) and Tony Iommi (Black Sabbath). Ian and Tony took everybody by surprise in 2011 by releasing a charity single:Out Of My Mind, renewing the collaboration that led the pair recording the Black Sabbath album Born Again in 1984.