​I. Notes by Duration and Stops by Length,

II. Notes by Kuhnau and Stops by Handel,

III. Notes by Pitch and Stops by Class,

IV. Notes Simultaneously and Stops Combined,

V. Notes by Bar and Stops by Division.

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Organ Concerto (after Handel) is a note-by-note reworking of G. F. Handel’s Organ Concerto in A major (HWV 296a). Critiquing the practice of arranging orchestral works for organ, each movement uses a pre-determined process to reorder the notes according to properties like duration, pitch, or motif, with the stipulated registrations being correspondingly process driven in order to emphasize these transformations.