Ben Johnston: String Quartet No. 4, Variation VII: Division into groups of bars and their rhythmic proportions

The table shows the proportions of the rhythmic values used on the one hand and the range shared by the four instruments on the other.该表格一方面呈现了所使用的各类节奏时值（rhythmic values）的占比，另一方面展示了四种乐器共有的音域范围。