| 106th Infantry Band | 1923 | 3 | Musical group | |
| 108th Saratovsky Infantry Regiment Band | 1910 | 2 | Musical group | |
| 10th Naval District Steel Band | 1957 | 12 | Musical group | |
| 12 Sarg. Cícero Braga | 1908 | 1 | composer | |
| 12th Regiment New York National Guard Drum and Bugle Corps | 1910 | 3 | Musical group | |
| 13th Sound Ensemble of Havana | 1930 | 3 | Musical group | |
| 13° Regimento de Cavallaria | 1908 | 2 | Musical group | |
| 14 Doctors of Syncopation | 1927 - 1928 | 8 | Musical group | |
| 14 Virginians | 1924 - 1925 | 28 | Musical group | |
| 1st Sumsky Hussar Regiment Band | 1910 - 1911 | 3 | Musical group | |
| 2. Garde-Grenadier Regiment zu füss | 1900 | 2 | Musical group | |
| 20th Century Fox Orchestra, The | 1954 | 9 | Musical group | |
| 3. Garde-Grenadier Regiment zu füss | 1901 | 1 | Musical group | |
| 5 Chavis Brothers | 1961 | 6 | Musical group | |
| 5 De Marco Sisters, The | 1955 | 4 | vocalist | |
| 6. Oestpreussisches Infanterie Regiment, Erzherzog Karl von Meckl Nr 43 | 1904 | 1 | Musical group | |
| 7 Blue Babies | 1928 - 1929 | 78 | Musical group | |
| 7th Regiment Band of New York | 1897 - 1923 | 32 | Musical group | |
| 86th Street Temple Chorus of New York | 1914 - 1918 | 2 | Vocal group | |
| 88 Girls | 1971 | 1 | Musical group | |
| A Capella Choir of Fremont High School of Los Angeles, The | 1933 | 1 | Musical group | |
| A M. Kir. Pósta és Távirda Altisztek és Azolgák Egyes Zenekara | 1909 | 2 | Musical group | |
| A Magyar Király Operház Férfikara | 1907 - 1908 | 3 | Vocal group | |
| A Magyar Kiralyi Operi Vegyes Kara | 1906 | 1 | Vocal group | |
| A&P Gypsies | 1926 | 1 | Musical group | |
| A'Dair, Jeanne | 1926 | 1 | songwriter | |
| A. & P. Gypsies | 1925 - 1933 | 57 | Musical group | |
| A. Barna Company | 1929 - 1930 | 18 | Musical group | |
| A. Dobrohotoff Orchestra | 1927 - 1928 | 14 | Musical group | |
| A. M. kir. Opera Enekkara | 1907 | 2 | Vocal group | |
| A. Paul Capp Orchestra | 1927 | 1 | Musical group | |
| A. Pelak a Grupa | 1930 | 1 | Vocal group | |
| A. Pelak a Spol | 1924 - 1931 | 28 | dramatic group, Vocal group | |
| A. Sannella y W. Wirges | 1926 | 2 | Musical group | |
| A. Weissman's Orchestra | 1922 | 3 | Musical group | |
| A., Louis Aldano | 1928 | 1 | composer | |
| A.S. Hinds Company | 1933 | 1 | sponsor | |
| Aabel, Andreas | 1917 | 1 | lyricist | |
| Aalbach, Jacques | 1909 - 1910 | 4 | vocalist, speaker | |
| Aaltonen, Topi | 1929 | 1 | baritone vocal | |
| Aaron Gonzalez Tango Orchestra | 1937 | 8 | Musical group | |
| Aaron, Abe | 1951 - 1964 | 148 | tenor saxophone, baritone saxophone, soprano saxophone, clarinet, alto saxophone, bass clarinet | |
| Aaron, Lorin | 1942 | 9 | trombone | |
| Aarons, Al | 1967 - 1968 | 25 | trumpet, flugelhorn | |
| Aarons, Alfred E. | 1903 - 1908 | 3 | composer | |
| Aaronson, Irving | 1921 - 1929 | 45 | director, vocalist, piano, leader, composer, songwriter | |
| Aaronson, Jack | 1934 | 16 | piano | |
| Aase, Fritz | 1917 | 11 | accordion | |
| Aasen, Ivar Andreas | 1914 - 1920 | 3 | lyricist | |
| Abad Cordero, Gabriel | 1939 | 1 | songwriter | |
