strings with the properties of all songs.
 Format of file is:
 ROWS value COLS value
 title,artist,genre,year
 title,artist,genre,year
 etc.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>filename</code> - Name of the input CSV file.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>2D array of strings with the properties of each song</dd>
</dl>
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</ul>
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<h4>makeMP3