"While improvising, the body has its own non-rational intelligence other than and apart from cognition or mind superintending all features of its expression." -Patricia L. Nardone (The Experience of Improvisation in Music: A Phenomenological Psychological Analysis)
"The self is defined as a relation: to other selves and to an environment…we should properly speak of time, space, and play as residing within the musical object." - Thomas Clifton (Music as Heard)
The body communicates intentionality of the musical line to both the audience and the other performers involved in the improvisation.