Iris MOST likely hearing free jazz music because it has no structure.
There are different style of music, Jazz is as style of music that was well known in the 19th century. It is a solo music style where an individual sings alone with many complex musical display.
Therefore, Iris MOST likely hearing free jazz music because it has no structure.
Learn more about jazz here,
https://brainly.com/question/1299236
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