Crossword Genius

How and why cheap lyrics may be had? (3,1,4)

Ross

I believe the answer is:

for a song

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'how' is the definition.
Both the answer and definition are adverbs. Perhaps they are linked in a way I don't understand?

I can't explain the rest of the clue.

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(Another definition for for a song that I've seen is " Very reasonably".)

I've seen this clue in The Hindu.
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