//-------------------------------------------------------------------- var bookTitle = '小提琴双弦初步练习曲谱集'; var bookSubTitle = ''; var bookFootText = '中国曲谱网 www.qupu123.com'; var bookIntroduce = "

  小提琴双弦练习法 

 (1)在拉一对双音时,两条弦的高度毫无变化,但是会出现有时这条弦响,有时那条弦响,有时甚至只剩下一条弦响,这说明右手的运弓动作没有始终保持在同一平面上。纠正这种运弓缺点,必须使右臂、右腕、右手的运弓动作协调一致。在练习双音时要背谱子练,仔细观察弓毛与所奏的两条弦是否接触均匀。如果接触不均衡,就要认真纠正运弓动作上的毛病,每天都要耐心地练习,达到运弓平稳,发音均匀。当你熟练地掌握了始终保持在同一平面上的运弓技术后,不论是拉一条弦还是拉两条弦,都不得会感到发音要比以往好听得多。其原因的诀窍就在于运弓要呈平面运动。

  (2)在拉一组双音时,应该突出上面的旋律声部,即运弓进弓对弦的压力要稍稍侧重于上声部。在演奏三度双音音阶时,下面的声部应该较为突出一些,即运弓时弓毛对弦的压力要侧重于下声部。由于把位和手指的变化,使应该发音的两条弦也产生微小的高矮变化,即:琴码与指板之间的弓与两条弦的接触点上出现了细微的高低变化。

  本书给出了小提琴双弦三度、六度、八度初步练习的曲谱,均为赵惟俭先生编曲。

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