The craze of modern society and the best friend of teenagers, Casio or synthesizer is the most advanced model of harmonium. Although the synthesizer is operated by electric current and neither it has bellows nor reedboard. But infact, it is operated just like a harmonium. Synthesizers may produce the sounds of five to one hundred musical instruments. There length varied from forty cm. To one and a half meter and cost from three thousand to several lacs. But they ...
