Outside of India it's nearly impossible to find recordings of many of these rare and extraordinary melodic and percussive instruments.

在印度以外几乎不可能找到很多这样稀有非凡的旋律和令人震惊的器乐的录音。

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Instead, Trouble Books weave multiple melodic lines from countless instruments of different timbres in and out, adding and dropping sounds on airy whims.

NPR: Trouble Books: 'Shaky Science'