1. Piezas caracter¡sticas |
 | Composer: Roberto Sierra (1953 - ) |
| Period: 20th Century |
| Country: Puerto Rico |
| From Genre: Character Piece |
| Studio/Live: Studio |
| Conductor: Gittleman, Neal |
| Performer: Helmers, William Instrument: Bass Clarinet |
| Performer: Jacob, Stephanie Instrument: Piano |
| Performer: Najoom, Dennis Instrument: Trumpet |
| Performer: Schubliske, Catherine Instrument: Violin |
| Performer: Tisdel, Scott Instrument: Cello |
| Performer: Wetzel, Thomas Instrument: Percussion |
2. Ritmorroto |
| Composer: Roberto Sierra (1953 - ) |
| Date Written: 1995 |
| Period: 20th Century |
| Country: Puerto Rico |
| Studio/Live: Studio |
| Performer: Helmers, William Instrument: Clarinet |
3. Fantasies (3) for Clarinet, Cello and Piano |
| Composer: Roberto Sierra (1953 - ) |
| Date Written: 1994 |
| Period: 20th Century |
| Country: Puerto Rico |
| From Genre: Fantasy |
| Studio/Live: Studio |
| Performer: Helmers, William Instrument: Clarinet |
| Performer: Jacob, Stephanie Instrument: Piano |
| Performer: Tisdel, Scott Instrument: Cello |
4. Bocetos (5) |
| Composer: Roberto Sierra (1953 - ) |
| Date Written: 1984 |
| Period: 20th Century |
| Country: Puerto Rico |
| Studio/Live: Studio |
| Performer: Helmers, William Instrument: Clarinet |
5. Con tres |
| Composer: Roberto Sierra (1953 - ) |
| Date Written: 1990 |
| Period: 20th Century |
| Country: Puerto Rico |
| Studio/Live: Studio |
| Performer: Helmers, William Instrument: Clarinet |
| Performer: Jacob, Stephanie Instrument: Piano |
| Performer: Mauser, Shawn Instrument: Bassoon |
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