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在演出中,不仅会有钢琴独奏,还会有钢琴二重奏和钢琴协奏的节目。钢琴二重奏和钢琴协奏要同时用两架钢琴同台演出。因此,这两架钢琴每一个相同音的音高,都必须完全一致,无疑这对调律者来说是一项比较困难的工作。其原因主要在于:调律师在调每架钢琴的基准音组(从小字组f到小字一组e)时,完全是凭经验用四度五度交叉法调十二平均律的。在两架琴上先后两次调出的两个十二平均律,很难完全一致,多少总有些误差。基准音组有了误差,那么到高音组
During the performance, there will be not only solo piano but also piano duet and piano concerto. Piano Duet and Piano Concerto to perform on the same stage with two pianos. Therefore, each of these two pianos must have exactly the same pitch pitch, which is undoubtedly a difficult task for the tune maker. The main reason for this is that when the transfer lawyer adjusts the reference sound group of each piano (from small group f to small group e), it is entirely by experience that the average law of twelve is crossed by four degrees and five degrees. It is hard to be completely consistent between the two twelve equal laws that have been called twice on two instruments, and how many errors are always there. There is an error in the reference tone group, then in the high tone group