Manifestations is a composition in three movements, scored for an octet comprising the following instruments: flute (doubling piccolo), clarinet in B♭ (doubling bass clarinet), trumpet in C, tenor trombone, piano, marimba, violin, and cello. This piece serves as a vehicle for demonstrating the use of pitch adjustment software to incorporate microtonal aspects into a fixed-media piece. By utilizing this software, acoustic instruments may accurately provide pitches outside of the traditional twelve-tone chromatic scale in ways that impart expressiveness and/or provide structural significance without any physical alteration or extended techniques. The microtonal elements of this piece are incorporated via three primary techniques, which I call...