八、预备练习用较快的速度演奏十二个大、小调的音阶和琶音,以备抽查。要熟练地掌握好每个调的音阶和琶音,以便于在演奏任何一个调的乐曲时都不会感到困难。练会以A、E、bE、bA为根音的琶音练习。其中有大小三和弦,属七和弦和减七和弦,把这些练习练熟了,在乐曲中遇有类似和弦时就会很自如了。尤其是在练习中都是用的临时变化音,对练习固定音高,熟悉各种变化音的位置很有益处。 Eight, preparatory practice with faster speed playing twelve major and minor notes and arpeggios, ready for spot checks. Grasp each tone and arpeggio skillfully so that you do not have difficulty playing any tune you tune. Practice will arpeggio practice with A, E, bE, bA root. Among them, the size of the three chords, seven chords and seven chords, practice these practices, in the case of a similar chord in the song will be very comfortable. Especially in practice are temporary changes in tone, the practice of fixed pitch, familiar with the location of a variety of changes in the sound of great benefit.