The Thunderer
A sound installation
A sound installation consisting of a sousaphone bell and loudspeaker. A sounds are played which were produced by squareing the spectra (convolving with itself) John Phillip Sousa’s “The Thunderer” march.

The Thunderer, a sound installation - Ted Apel - sousaphone bell, loudspeaker, sound
Listen to the Thunderer.
</p>