Low-frequency sound on the cusp of the audible offers the possibility of redefining the way we think about listening to music. As the perception of pitch is lost in very low-frequency sound emissions, an opportunity arises for a different kind of music and a different way of listening. Low frequencies can be engaged to activate responses other than the aural or be used as a kind of “silent activator,” enabling or affecting other sounds. This article explores the possibilities for what may be called an “infrasonic music.”

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