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Theme features three works from Alvin Lucier. Music for Piano with Magnetic Strings is a work in which the strings of a piano sound by themselves. Several EBows (small electromagnets used primarily with electric guitars) which would cause the piano strings to vibrate and sound are placed on the strings of the piano. The pianist works from a prose score which describes the process and suggests she freely position and reposition five EBows on the piano strings, creating strands of sounds of varying density and texture. Theme features a poem of John Ashbery's set to music. Lucier didn't want to violate the flow of the words of the poem by fragmentation or any other cut-up method. The stanzas seemed musical enough just as they were and he wanted the audience to hear the poem more or less in its pristine state, so, working intuitively and by ear, he wrote out the poem for four readers in the order it was written, repeating words and phrases, overlapping and superimposing them in various ways. To "set" the poem, he inserted microphones into the mouths of various vessels, including a small milk bottle, a sea shell, a vase and an empty ostrich egg, to pick up the words as they were sounding inside the vessels. Theme is performed by: Sam Ashley, Thomas Buckner, Jacqueline Humbert, and Joan La Barbara. For Music for Gamelan Instruments, Microphones, Amplifiers and Loudspeakers, Lucier wanted to make a work for Javanese gamelan, but was wary of using someone else's music in his own work. It wasn't until he started imagining the bowl-shaped bonangs of the gamelan orchestra more as resonant chambers to be sounded than objects to be struck, that Lucier felt he could make a work for gamelan that he could call his own. During the performance four players place bonangs of various sizes over microphones, creating feedback, the pitch of which is determined by the shape and size of the bowl and the resonant characteristics of the room. Three gender players strike the bars on their metallaphones, searching for the pitches of the feedback strands. Since it is virtually impossible that a strand of feedback will match exactly a pitch on any fixed-pitch instruments, audible beats - bumps of sound which occur as sound waves coincide - occur. The closer the tuning, the slower the beating.