Twin Souls
- Wings of Fire (1996), for female cellist and tape
- Androgyne, Mon Amour (1997), a music theatre work for male double bassist and tape
- Patterns (1996), for female speaker and tape
- She, A Solo (1973), for mezzo-soprano and tape
- In Memoriam A.H.H. (1999), for tenor and tape
- Hymn To The Moon (1997), for alto and tape
- Twin Souls - Thou and I (1997), for chamber choir and tape.
- Twin Souls - We are the stars which sing (1997), for chamber choir and tape.
