美国 Shabda 公司总经理史蒂文·肖尔(Steven Schorr)革新发明了一种用拇指来演奏的小钢琴。美国专利3961553号已予介绍。据说,在纽约投放了50台这种琴,很快售完。此乐器按十二平均律安排音阶。琴长9英寸,最宽处为7(1/2)英寸,重不到二磅;面板为阿拉斯加云杉,侧板为洪都拉斯花梨木,背板为洪都拉斯桃花心木。该琴的 Steven Schorr, general manager of Shabda in the United States, revolutionized the creation of a little piano with his thumb. U.S. Patent No. 3961553 has been described. It is said that in New York put 50 such a piano, sold out soon. This instrument arranges the scales according to the twelve average law. The piano is 9 inches long, 7 1/2 inches wide at its widest point and weighs less than two pounds. The panel is Alaskan spruce, with Honduran rosewood on the side and Honduran mahogany on the back. The piano