Based on the excerpt from the article "Those Old Piano Blues,", the author mainly organize his ideas by:
According to the complete text, we can see that the author writes about musical instruments and how important they are to a lover of music.
As a result of this, there is an orderly arrangement of the author's ideas as he shows the various benefits of owning a piano through making a reference to a magazine article.
Therefore, the correct answer is option A
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