Music scores carry multiple strands of information, both simultaneous and sequential. A score is a set of instructions for the performance of specific tones, pitches and durations. In the music teachers\u27 studio, teachers and students take this information and \u27reverse engineer\u27 appropriate gestures to re-create the composer\u27s instructions using notation (Tormey p.2). Gestures may be explicitly present within the score - musical and visual. Through discourse with the score, student and teacher learn to become a conduit and contributor of musical ideas, through performance to an audience. In this article, two graphically notated, pipe organ works are considered from the perspective of the performer: Ligeti\u27s \u27Volumina\u27 (...