| Code | Title | Time | Year | City, Country | Price | Instrument |
| 5.01 | Mutationen VII obs: version with tape 15.12 |
8’00 | 1973 | €30.00 | string quartet or any combination of Mutationen ii, iv, and vi | |
| 5.02 | Mutationen VIII obs: work formed by the set of Mutationen II, III, IV, or VI; other piano versions: 6.04, 15.13 |
8’00 | 1975 | €30.00 | violin, viola, violoncello, and piano | |
| 5.03 | Quartet Nr. 1 1 Enérgico 2 Andante con moto 3 Dramático obs: honorous mention in the International Competition promoted by the "Chamber Music Guild" of Washington in combination with RCA, Victor, 1944 |
15’00 | 30-01-1943 | €40.00 | string quartet | |
| 5.04 | Quartet Nr. 2 1 Allegro 2 Andante 3 Allegro |
18’00 | 28-12-1946/30-01-1947 | Fazenda Rio do Braço, SP | €40.00 | string quartet |
| 5.05 | Quartet Nr. 3 1 Allegro 2 Lento 3 Vivo 4 Andante-allegro |
20’00 | 1953/03-1954 | São Paulo, Brazil | €40.00 | string quartet |
| 5.06 | Quartet Nr. 4 1 Allegro molto 2 Andante (seresteiro) 3 Allegro 4 Allegro molto (vivo) |
20’00 | 05-1956 | São Paulo, Brazil | €40.00 | string quartet |
| 5.07 | Quartet Nr. 5 1 Allegro molto 2 Lento obs: unfinished (only the first two movements are completed) |
8’00 | 19-10-1957/12-12-1957 | Sofia, Bulgary | €40.00 | string quartet |
| 5.08 | Quartet Nr. 6 1 Allegro vivo 2 Lento 3 Allegro molto |
15’00 | 11-10-1963/25-04-1964 | Genève, Switzerland / Brasília, Brazil | €40.00 | string quartet |
| 5.09 | Quartet Nr. 7 1 Lento 2 Vivo 3 Lento obs: composed specially for the III Festival in Caracas in 1966 |
12’00 | 07-12-1965 | Brasília, Brazil | €40.00 | string quartet |
| 5.10 | Wind Quartet 1 Lento 2 Allegro moderato |
12’00 | 1980 | €40.00 | oboe, clarinet, bassoon, horn | |
| 5.11 | 4 Baroque Trombones | 7’00 | 19-08-1975 | €40.00 | 4 trombone's | |
| 5.12 | Miniature Variations unfinished work |
4’00 | 02-1945 | Fazenda Rio do Braço, SP | €40.00 | clarinet, violin, viola, violoncello |
| 5.13 | Quartet Fantasia "Amazonas" Andante Adagio recitativo Allegro (incomplete) |
19-09-1937 | €40.00 | string quartet | ||
| 5.14 | Quartet in G Allegro Andante Final |
20-07-1939 | Rio de Janeiro, Brazil | €40.00 | string quartet |