Music was there since the beginning of the human civilization. Various form of music was there, where some of them used instruments to various degrees to none. The earliest form of music was drum based and other instruments which were readily available. These were also used for various types of religious ceremonies. When it comes to the advanced instruments, the use of these was more slow and steady and they also introduced various new types of music. With the emergence of the 20th century and new technologies, there were various types of complex music introduced such as jazz and electro-pop etc.