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- Intrada , for clarinet and symphony orchestra - Pēteris Plakidis
- Intraversija (Introversion) , for piano - Ilona Breģe
- Izgaistošo Apvāršņu Atklāšana (Disclosing of Disappearing Skylines), concerto , for orchestra and piano - Rihards Dubra
- Ja tu no debesim nonaksi... (If You Come Down from Heaven) , for mixed choir (SSSAATTBB) - Rihards Dubra
- Jāņu dziesma (Midsummer Song) , for mixed choir (SSAATTBB) and percussion (timp., bd.) - Arturs Maskats
- Jesu dulcis memoria , (SATB+SATB) for double choir - Talivaldis Kenins
- Jubilate Deo , for children's choir (SAA), flute, two violoncellos and bells - Rihards Dubra
- Jura (The Sea) , for mixed choir (SATB) - Rihards Dubra
- Jūras ainava (Seascape) , for piano - Ēriks Ešenvalds
- Kā svece deg ( As a Candle Burns) , for womens choir - Ansis Sauka
- Kad gulbji aizlaižas (When the Swans Fly Away) , for womens choir - Ansis Sauka
- Kad priestera rokas cel Hostiju sveto (When the Priest Raises the Blessed Host) , for mixed choir (SATB) - Rihards Dubra
- Kad(e) parnaksi, balelin? (When Will You Come Back, My Brother?) , for piano four hands - Romualds Jermaks
- Kaķīša dzirnaviņas (The Cat's Mill) - Rihards Dubra
- Kalējs kala debesīs (Blacksmith) , for mixed choir (SSAATTBB) - Selga Mence
- Kam tu kliedzi, vālodzīte? (The Song of the Golden Oriole) , (SSSSAAAA) for womens choir - Pēteris Plakidis
- Kanoniskās variācijas (Canonical Variations) , for string orchestra - Andrejs Selickis
- Kaprīze (Caprice) , for violin and piano - Juris Karlsons
- Kara dziesmas (The War Songs) - Anda Beitane
- Karaļmeita (The King`s Daughter) , for mixed choir - Jāzeps Vītols
- Karavira ligavina (The Soldier`s Betrothed) , (SATBB) for mixed choir - Viktors Baštiks
- Karawane (Caravan) , (SSAAATTBB), soli (SATT) for mixed choir - Juris Ābols
- Kas dimd, kas rib (Martinmas Song) , for piano four hands - Romualds Jermaks
- Kas ir šis bērns (What Child is This?) , for mixed choir (SATB), solo (S) and instrumental ensemble - Valts Pūce
- Klavierskandarbi berniem (Piano Pieces for Children) , for piano - Jānis Porietis
- Klusa nakts (Silent Night, Holy Night) , for soli (ST), mixed choir (SATB), trumpet in C and organ - Valts Pūce
- Klusu Hostija muns Jezus (Quiet in Communion Bread My Jesus) , for mixed choir - Rihards Dubra
- Klusuma dziesmas (Songs of Silence) , for guitar and string orchestra - Ēriks Ešenvalds
- Klusumā dzimstošās dzīvības balss (The Voice of a Nascent Life in the Silence), poem , for symphonic wind orchestra - Juris Karlsons
- Koana , for symphony orchestra - Juris Karlsons
- Koncerts - balāde (Concerto - Ballade) , for two violins, piano and string orchestra - Pēteris Plakidis
- Koncerts divām obojām un stīgu orķestrim (Concerto for Two Oboes and String Orchestra) , 2 ob.; vln. I, vin. II, vla., vc., db. - Pēteris Plakidis
- Koncerts koklei un kamerorķestrim (Concerto for kokle and chamber orchestra) , for kokle and orchestra - Rihards Dubra
- Koncerts vijolei un kamerorkestrim (Concerto for violin and chamber orchestra) , for violin and chamber orchestra - Ilona Breģe
- Krauklits sed ozola (The Raven in the Oak Tree) , for mixed choir (solo S, SAT/B) - Viktors Baštiks
- Kristus ir dzimis (Christ is Born), Christmas oratorio , for mixed choir and symphony orchestra - Georgs Pelēcis
- Krīvu krīvs (The Wise Man) , for mens choir - Jāzeps Vītols
- Krustami dejami (Crosswise we Dance) , for female/children's choir (SA), piano, metal rattle and claves - Liene Batna (Austrina)
- Kuko, mana dzeguzite (Keep on Calling, My Cuckoo!) , (SATBB) for mixed choir - Viktors Baštiks
- Kungs Jēzu, Debess Auseklīt (Lord Jesus, Morning Star of Heaven) , for mixed choir - Rihards Dubra
- Kungs Jezus dzivs ir uzcelies (Lord Jesus has Risen) , for mixed choir (SATB) - Rihards Dubra
- Kur tecesi, serdienite? (Where are You Hurrying, Dear Orphan Girl?) , (solo S, SSAATBB) for mixed choir - Viktors Baštiks
- Kur tu biji, bāleliņi? (Where have You Been, Brother?) , for female choir (SSAA), solo (S) and piano - Selga Mence
- Kur tu teci, gailiti mans? (Where are You Rushing to, My Little Cockerel? , for piano - Jānis Porietis
- Ķekatās iešana (Going a-mumming) , for female/children's choir (SSSAAA) - Liene Batna (Austrina)
- Ķekatu dziesma (Mummer's Song) , for female/children's choir (SAAA), jingle bells, scraper and rattle stick - Liene Batna (Austrina)
- La Remerciement (Thankfulness) , for organ - Andris Dzenītis
- Lacrimosa , for mixed choir, organ and string orchestra - Arturs Maskats
- Lacrimosa' , for mixed choir and organ - Arturs Maskats
- Laetentur caeli , for mixed choir, flute, akordeon, 2 kokles and percussion - Rihards Dubra

