| Code | Title | Time | Year | City, Country | Instrument |
| 2.15 | Fantasia Sul America | 4’00 | 02-04-1983 | Brasília, Brazil; Rio de Janeiro, Brazil | viola |
| Code | Title | Time | Year | City, Country | Instrument |
| 3.01 | Adagio | 3’00 | 1965 | viola, piano | |
| 3.12 | Duo | 7’00 | 03-09-1982 | Brasília, Brazil | violin, viola |
| 3.17 | Espaços for viola & Piano | 1966 | Brasília, Brazil | viola, piano | |
| 3.24 | Sonata Nr. 1 unfinished work |
1943 | viola, piano | ||
| 3.25 | Sonata Nr. 2 | 14’00 | 07-08-1982 | Brasília, Brazil | viola, piano |
| Code | Title | Time | Year | City, Country | Instrument |
| 4.01 | Briga Dialética dos Estilos | 3’00 | 1984 | flute, viola, guitar | |
| 4.03 | Improviso a 3 | 8’00 | 1983/10-1985 | Heidelberg, Germany / -, - | flute, viola, guitar |
| 4.05 | Sonatina a 3 | 6’00 | 04-09-1942 | Rio de Janeiro, Brazil | flute, viola, violoncello |
| 4.10 | Trio | 15’00 | 21-01-1942 | Fazenda Rio do Braço, SP | violin, viola, violoncello |
| Code | Title | Time | Year | City, Country | Instrument |
| 5.01 | Mutationen VII | 8’00 | 1973 | string quartet or any combination of Mutationen ii, iv, and vi | |
| 5.02 | Mutationen VIII | 8’00 | 1975 | violin, viola, violoncello, and piano | |
| 5.03 | Quartet Nr. 1 | 15’00 | 30-01-1943 | string quartet | |
| 5.04 | Quartet Nr. 2 | 18’00 | 28-12-1946/30-01-1947 | Fazenda Rio do Braço, SP | string quartet |
| 5.05 | Quartet Nr. 3 | 20’00 | 1953/03-1954 | São Paulo, Brazil | string quartet |
| 5.06 | Quartet Nr. 4 | 20’00 | 05-1956 | São Paulo, Brazil | string quartet |
| 5.07 | Quartet Nr. 5 | 8’00 | 19-10-1957/12-12-1957 | Sofia, Bulgary | string quartet |
| 5.08 | Quartet Nr. 6 | 15’00 | 11-10-1963/25-04-1964 | Genève, Switzerland / Brasília, Brazil | string quartet |
| 5.09 | Quartet Nr. 7 | 12’00 | 07-12-1965 | Brasília, Brazil | string quartet |
| 5.12 | Miniature Variations unfinished work |
4’00 | 02-1945 | Fazenda Rio do Braço, SP | clarinet, violin, viola, violoncello |
| 5.13 | Quartet Fantasia "Amazonas" | 19-09-1937 | string quartet | ||
| 5.14 | Quartet in G | 20-07-1939 | string quartet |
| Code | Title | Time | Year | City, Country | Instrument |
| 6.04 | Mutationen VIII | 8’00 | 1975 | string quartet, piano | |
| 6.05 | Mutationen XII | 8’00 | 1976 | 2 violins, viola, violoncello, double bass |
| Code | Title | Time | Year | City, Country | Instrument |
| 7.10 | Concerto Grosso | 16’00 | 24-02-1980 | Brasília, Brazil | string quartet & orchestra |
| 7.50 | Sinfonia no 12 soloists: (violin, cello, flute, clarinet, viola, trumpet, oboe, horn & trombone); |
35’00 | 1987 | 1.1.1.1.1-4.3.3.1-T-prc-vib-gl-cordas |
| Code | Title | Time | Year | City, Country | Instrument |
| 8.05 | Concerto Nr. 1 for viola & Orchestra | 18’00 | 19-05-1988 | -, - / Moscow, Russia | viola, orchestra |
| 8.22 | Fantasia Sul America for viola & Orchestra | 4’00 | 31-05-1983 | Brasília, Brazil | viola, orchestra |
| Code | Title | Time | Year | City, Country | Instrument |
| 10.01 | Duo | 6’00 | 26-06-1987 | Brasília, Brazil | female voice, viola |
| Code | Title | Time | Year | City, Country | Instrument |
| 14.02 | Paródia | 8’00 | 1982 | voice, viola, other instruments ad lib. (piano , perc) |
| Code | Title | Time | Year | City, Country | Instrument |
| 15.02 | Bodas Sem Fígaro "La Nozze de Figaro" |
7’00 | 1976 | flute (picolo), clarinet in Bflat, piano, violin, viola, violoncello, double bass, synthesizer | |
| 15.09 | Mutationen IV | 8’00 | 1971/72 | viola, tape | |
| 15.12 | Mutationen VII | 8’00 | 1973 | string quartet or any other combination of Mutationen II, IV, | |
| 15.13 | Mutationen VIII | 8’00 | 1975 | string quartet, piano (combination of Mutationen ii,iv,v,vi and tape) | |
| 15.16 | Mutationen XII | 8’00 | 1976 | string quintet or string orchestra, tape |