附註:The 1st-2nd works for prepared piano; 3rd work a chance composition with chorus, narrator, and electronic sounds.
Texts of Song books from various sources; Empty words is a "non-syntactic mixture of words, syllables, letters... from Thoreau's diaries"--Notes p. 11.
Eds. recorded: Frankfurt ; New York : C.F. Peters.
Compact disc.
Durations: 3:40; 5:37; 34:00.