Please answer this: Generate a question about the topic "Nature Boy" whose answer would be: "Nature Boy" is a song by Eden Ahbez , published in 1947..
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Answer: who wrote  nature boy?


Please answer this: Generate a question about the topic "Xylem" whose answer would be: Its basic function is to transport water, but it also transports some nutrients through the plant..
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Answer: what does xylem transport?


Please answer this: Generate a question about the topic "Sound mass" whose answer would be: Sound mass techniques also appear in the music of George Crumb (Anon. n.d.)..
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Answer:
what composer used sound mass?