Javanese Vocal Notation, a collection of notation for male voices (gerong) and female voices (pesindhen) for nearly 300 pieces, written in his own hand during the years he taught at California Institute of the Arts.
Javanese Vocal Notation, sebuah koleksi notasi untuk suara pria (gerong) dan suara-suara wanita (pesindhen) hampir 300 buah, ditulis dengan tangannya sendiri selama bertahun-tahun selama ia mengajar di Institut Seni Kalifornia.