<span>The opposite of program music is absolute music
>>Program music It is described as an instrumental music that is tagged with a poem, a story and sometimes an idea.
>> Instrumental music which is mainly composed purely as music, and not intended to illustrate something else refers to absolute music.</span>
<span>The opposite of program music is absolute music. The main point which makes difference between the opposite and the absolute music is that absolute one is non-representational. In contrast to absolute type of music, the opposite contains extra-musical narrative that poses as a complete story with its own plot.
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The answer is both. Despite most of Duchamp's work was a sort of spoof (including "N*ude Descending a Staircase"), the consequences of his trajectory represent a critical watershed in the History of Art.