Prelude: from gesture to virtual agency -- Foundations for a theory of agency -- Virtual environmental forces and gestural energies: actants as agential -- Virtual embodiment: from actants to virtual human agents -- Virtual identity and actorial continuity -- Interlude I: from embodiment to subjectivity -- Staging virtual subjectivity -- Virtual subjectivity and aesthetically warranted emotions -- Staging virtual narrative agency -- Performing agency -- An integrative agential interpretation of Chopin's Ballade in F minor, op. 52 -- Interlude II: hearing agency: a complex cognitive task -- Other perspectives on virtual agency -- Postlude