- Parvertibas (Conversions), for woodwind quintet and percussion - Alvils Altmanis
- Pastorale, for flute, oboe and clarinet - Jānis Porietis
- Piano trio, for violin, violoncello and piano - Andris Vecumnieks
- Piece for oboe and piano, for oboe and piano - Svens Renemanis
- Pierrot, for alto saxophone - Andris Dzenītis
- Pirms saules rieta (Before Sunset), for clarinet, viola and piano - Maija Einfelde
- Pizzicato, for violin - Andris Vecumnieks
- Poem, for violin and piano - Jānis Porietis
- Prelude, for French horn and piano - Alvils Altmanis
- Prelude and Pulsation, (for flute, oboe, clarinet, bassoon, and French horn) for wind quintet - Pēteris Plakidis
- Prelūdija (Prelude) , for oboe and viola - Maija Einfelde
- Promises and Shapes, for oboe and chamber ensemble - Andris Dzenītis
- Psalm for four kokles, for kokle ensemble - Rihards Dubra
- Pusaizmirsta sentimentāla melodija (Half - forgotten Sentimental Melody), for violin, bassoon, violoncello and piano - Pēteris Plakidis
- Putni (Birds), for flute and guitar - Liene Sejane
- Quasi Folksong, for piano four hands and percussion - Andris Vecumnieks
- Quasi Mozart, for two oboes and English horn - Andris Vecumnieks
- Quasi Oda, violin ensemble and piano - Andris Vecumnieks
- Quasi Sarabanda, for violoncello ensemble (I, II, III, solo) - Andris Vecumnieks
- Rainbows, for piccolo and piano - Vineta Līce
- Recitative, for flute, cello and harpsichord - Andris Vecumnieks
- Rīta zvaigznei (For the Morning Star), for flute and piano - Ilze Arne
- Romance, for trumpet and piano - Alvils Altmanis
- Romantiskā mūzika (Romantic Music), for violin, cello and piano - Pēteris Plakidis
- Sansara, bass drum for string quartet - Mārtiņš Viļums
- Sapņi (Dreams), for kokle ensemble - Rihards Dubra
- Sarabande, for harpsichord - Dace Aperans /Aperane/ (Stauvers)
- Scherzino, for bassoon and piano - Romualds Kalsons
- Scherzino, for trumpet and piano - Alvils Altmanis
- Sea Sonata, for clarinet in B and piano - Laura Gustovska
- Sens nacre, for chamber ensemble - Santa Ratniece
- Septiņi mirkļi iz mūžības (Seven Moments from Eternity), for violin and cello - Agris Engelmanis
- Seven Madrigals by e.e.cummings, for mezzo-soprano, clarinet, trumpet, trombone, percussion, alto and cello - Andris Dzenītis
- Skerco (Scherzo) , for cello - Maija Einfelde
- Sonata, for flute and piano - Leons Amoliņš
- Sonata - Dialogue, for two flutes - Leons Amoliņš
- Sonata-Dialogue for two flutes - Leons Amoliņš
- Sonata-Meditation, for viola and piano - Maija Einfelde
- Spalvas pa gaisu, for bassoon solo - Andris Vecumnieks
- Stanza I. 31. 12. 1999., for string quartet and piano - Andris Dzenītis
- Stasts par saules asaram (A Tale of the Sun`s Weeping), for kokles ensemble - Rihards Dubra
- String Quartet , for two violin, viola and violoncello - Maija Einfelde
- String Quartet, for string quartet - Māris Lasmanis
- String Quartet G dur Op.27, for string quartet - Jāzeps Vītols
- Suite Modale, for flute and piano - Arnolds Sturms
- Super flumina Babylonis..., for harpsichord - Rihards Dubra
- Svetku muzika (Celebration Music), for three trumpets - Romualds Jermaks
- Svetku preludija (Prelude to a Celebration), for trumpet and piano - Jānis Porietis
- Swingin, for saxophone quartet (SATB) - Elmars Rudzitis
- Syzygia, for violoncello and percussion - Gundega Šmite
