The tape enclosed is a collection of selected musical works from Paul Ester's senior composition recital entitled Realitivity. Accompanying the tape are fairly descriptive program notes about each of the pieces included, touching on matters of technical and aesthetic import. Compositions on this tape are (respectively):1) Awakening: an electronic composition designed in C-sound.2) Endar's Moon: an electronic composition composed through manipulation of acoustic and electronic sound samples.3) Bassoon Quintet: a work for five bassoons, in five movements4) Realitivity: a composition for saxophone and electronic sounds, featuring classical saxophone improvisation by composer.