| Solo Winds | | | |
| cuando el mar besa al malecon | Solo Flute (dbling all) and Tape (CD) | 18 minutes | 07/2004 |
| nubes nocturnas | Solo Trombone and Tape (CD) | 10 minutes | 01/2004 |
| sombras sobre parque central | Solo Bb Bass Clarinet | 9 minutes | 11/2002 |
| Multiple Voices | Solo Bb Clarinet | 8 minutes | 06/2002 |
| viento sonoro | Solo Flute (doubling Bass Flute) | 10 minutes | 05/2002 |
| separacion | soprano sax and Tape (CD) | 12 minutes | 01/2001 |
| aire, madera, y metal | Solo Bassoon | 18 minutes | 12/1997 |
Solo Percussion | | | |
| llovizna (mist) | Glass Harmonica | 8 minutes | 02/2000 |
| Metallic Images | Percussion & Tape (CD) | 21 minutes | 02/1991 |
Solo Piano | | | |
| oscurecimiento gradual | Solo Piano | 8 minutes | 05/2005 |
| resonancia*** | Solo Piano | 12 minutes | 06/2003 |
| Why References? | Piano and/or Disklavier & Tape (CD) | 18 minutes | 09/2002 |
| Sombras para piano* | Solo Piano | 18 minutes | 12/1997 |
| despues de un silencio largo | Solo Piano | 12 minutes | 06/1992 |
| Recuerdos de otra musica para piano* | Solo Piano | 8 minutes | 03/1990 |
| Retratos #1 | Piano and Tape (CD) | 18 minutes | 02/1989 |
| Tango Para Yvar | Solo Piano | 3 minutes | 10/1988 |
| September 1987** | Solo Piano | 22 minutes | 12/1987 |
| Images of Wood & Wire** | Solo Piano | 17 minutes | 03/1985 |
Solo Harp | | | |
| una noche en Caracas | Solo Harp | 9 minutes | 07/1992 |
Solo Strings | | | |
| mixtura | Solo Cello and Tape (CD) | 14 minutes | 02/2004 |
| viento nocturno | Solo Viola (with small percussion) | 10 minutes | 09/2002 |
| como los colores del viento nocturno | Viola & Tape (with wind chimes) | 14 minutes | 02/2002 |
| fragmentos de la noche*** | Solo Cello | 12 minutes | 02/2001 |
| imagenes (sonidos) sonoros congelados* | Violin & Tape (CD) | 15 minutes | 12/1999 |
| canciones fragmentadas* | Solo Double Bass | 15 minutes | 08/1996 |
| Paisaje del sonido Soundscape rev 04 | Double bass & Tape (CD) also video version in collaboration with Jacek Kolasinski | 17 minutes | 04/1992 |
| 1 of 3 Pieces for Double Bass/Tape* | Double Bass & Tape (CD) | 11 minutes | 06/1990 |
| 2 of 3 Pieces for Double Bass/Tape* | Double Bass & Tape (CD) | 12 minutes | 06/1990 |
| 3 of 3 Pieces for Double Bass/Tape* | Double Bass & Tape (CD) | 13 minutes | 06/1990 |
| Cello (Colores) | Solo Cello | 15 minutes | 11/1988 |
| Streams | Solo Violin | 17 minutes | 05/1987 |
Solo Guitar | | | |
| timbres artificiales #4 | solo guitar | 10 minutes | 05/2006 |
| timbres artificiales #3 | Solo Guitar | 12 minutes | 04/1995 |
| timbres artificiales #2 | Solo Guitar | 11 minutes | 02/1994 |
| timbres artificiales #1* | Solo Guitar | 12 minutes | 08/1992 |
| Reflejos de Modelos Repetivos+ | Guitar & Tape (CD) | 20 minutes | 08/1989 |
| Sombras Asimetricas | Solo Guitar | 13 minutes | 08/1989 |
| Guitarra | Solo Guitar | 13 minutes | 11/1985 |
Wind Synthesizer | | | |
| Improvisation with Metallic Materials | Wind Synthesizer and Tape | 14 minutes | 01/1990 |