What does a thunderstorm sound like? 

What would it sound like if you could direct it? 

And choose each rain drop's pitch?

Parallel to the storm is an evolving melody.  At first, the event distribution and length of each note is almost random (though it's controlled by a function) and slowly evolves - after the storm passes - to a more uniform and lyric density.  The melodies are triggered by the impact of rocks being thrown into a bucket full of water and a hydrophone is used to capture the event and the pitch.  The pitch is used to set the first note of the melody, though the melody chosen at the beginning of the piece is the same and relative to this pitch throughout.

Decisions about when to throw rocks were made live during the performance based on reactions to the movement of the dancers.

Sit back.  The storm will come and go. 

Thank you to Holly Faurot, Sarah H. Paulson, and the Stella Adler Theater.