In the background and the foreground While in the classical composition of rock formations, no mention is to use the keyboard instruments, but often the composition is supplemented with a glassblower This was even before the emergence of rock music, when the current space occupied piano synthesizer. Moreover, in addition to piano acoustic guitar is the most popular instrument used by the singers appearing solo. Keyboards can meet the rock band in a variety of functions. You can get help for their impressive foundation for the music performed by other instruments, may also be one of the solo instruments, or playing the so-called riffs. While in the first half of the seventies musicians set itself even as its obligation to color the music more and more strange sounds extremely complicated and expensive synthesizers, one of the most important teams of the era - Queen, until the mid-eighties printed on each disc information, when it was recorded that was not they are used.