| Agama, Ignacio Enrique | 1942 | 1 | composer | |
| Agapētou, Th | 1952 | 1 | clarinet | |
| Agay, D. | 1949 | 2 | cello | |
| Agay, Denes | 1940 | 1 | composer | |
| Agbulos, Crescencio S. | 1930 - 1934 | 2 | songwriter | |
| Agbulos, José M. | 1934 | 1 | songwriter | |
| Agbulos, Juan S. | 1930 - 1931 | 7 | vocalist, songwriter | |
| Agee, Alphonsus | 1926 - 1927 | 6 | instrumentalist, composer, vocalist | |
| Agee, C. | 1926 | 1 | songwriter | |
| Agee, John (Jack) | 1946 - 1955 | 8 | baritone saxophone | |
| Agel, Léon | 1936 - 1947 | 4 | lyricist | |
| Agell, John | 1929 - 1930 | 6 | speaker | |
| Agello, Fred | 1946 - 1947 | 3 | composer, songwriter | |
| Ager, Milton | 1915 - 1950 | 758 | composer, songwriter, lyricist, arranger | |
| Aghemo, Pietro Carlo | 1928 | 22 | director | |
| Aghiazar Effendi | 1930 | 1 | vocalist | |
| Aglora, Joe | 1939 - 1951 | 31 | saxophone | |
| Agnese, Juan | 1928 | 1 | composer | |
| Agnew, Charlie | 1931 - 1933 | 11 | composer, leader, songwriter | |
| Agnoletti, Guido | 1929 - 1932 | 12 | vocalist | |
| Agnoletto, Isidoro | 1908 - 1914 | 11 | tenor vocal | |
| Ago, Giovanni | 1932 | 1 | lyricist | |
| Agob, Z. | 1917 | 10 | vocalist | |
| Agostinelli, Adelina | 1911 - 1912 | 16 | soprano vocal | |
| Agostini, François | 1933 | 3 | arranger | |
| Agostini, Giuseppe | 1917 | 6 | tenor vocal | |
| Agostini, Lucio | 1948 | 4 | director | |
| Agostini, Salvatore | 1922 | 1 | composer | |
| Agostino, Angel d' | 1915 - 1942 | 11 | leader, composer, arranger, lyricist, songwriter | |
| Agostino, da Montefeltro, padre | 1908 | 3 | author | |
| Agre, Ottar | 1922 - 1931 | 14 | accordion, leader, composer | |
| Ågren, Ragnar | 1953 | 1 | composer | |
| Ägren, Sigurd | 1950 | 5 | composer, leader | |
| Agrupación Artística de Vigo | 1922 | 12 | Vocal group | |
| Agrupacion Artistica Gallega de Buenos Aires | 1914 | 2 | Musical group | |
| Agrupación Hispanica | 1931 | 2 | Musical group | |
| Agrupación Musical Española "Madrid" | 1939 - 1941 | 11 | Musical group | |
| Agrupación Típica | 1930 | 1 | Musical group | |
| Aguariguay, [?] | 1940 | 1 | songwriter | |
| Aguayo, Samuel | 1929 - 1941 | 48 | vocalist, leader, composer, arranger, lyricist, songwriter | |
| Agudelo, G. | 1949 | 1 | songwriter | |
| Agueda, Rosario | 1928 - 1933 | 14 | vocalist | |
| Aguere, Alcibiades | 1950 | 1 | lyricist | |
| Agüero R., F. | 1924 | 1 | composer | |
| Agüeros, Pepe | 1939 - 1950 | 11 | piano, songwriter, arranger | |
| Aguet, William | 1947 | 1 | author | |
| Aguglia, Mimi | 1926 | 2 | soprano vocal | |
| Aguiar, Elza | 1937 | 2 | vocalist | |
| Aguiar, Jurandir | 1932 | 1 | songwriter | |
| Aguila, C. | | | lyricist | |
