- Ginastera, Alberto Evaristo (1916-1983)
- Gindele, Corbinian (1901-)
- Giordani, Giuseppe (Giordaniello) (1743-1798)
- Giorgi, Carlo Pietro (1897-1967)
- Gipe, Robert A.
- Giraud, Abbé Ludovic
- Giraud, Paul
- Girdlestone, Errol Nelson Richey (1945-)
- Girod, Marie Louise (1915-)
- Girod, P. L.
- Giroud, Jean (1910-1997)
- Gisby, Herbert Arthur (c1875-)
- Giulietti, Fernando (1905-1971)
- Giustiniani, Michele Lodovico (1685-1743)
- Gjendem, Johan (1924-)
- Gladfield, John Raymond (1912-)
- Gladstone, Dr Francis Edward (1845-1928)
- Gladwin, William Edwin (1880-)
- Glanert, Detlev
- Glas, Jan Roelof van der (1879-1937)
- Gläser, Paul (1871-1937)
- Glaser, Werner Wolf (1910-)
- Glasgow, Robert Ellison (1925-)
- Glass, Philip (1937-)
- Glatter-Götz, Josef Karl Raimund von (1914-)
- Glaus, Alfred (1853-1919)
- Glaus, Daniel (1957-)
- Glazunov, Alexander Konstaninovich (Александр Константинович) (1865-1936)
- Gleason, Catherine (1914-)
- Gleason, Frederick Grant (1848-1903)
- Gleason, Harold (1892-1980)
- Gleave, John Howarth (1877-)
- Gledhill, Christopher (1912-)
- Gleißner, Walter (1931-)
- Gleitz, Kark Anton (1795-1879)
- Glen, Robert
- Glendining, Richard Rashleigh (1872-)
- Glenn, George R. (1877-)
- Glick, Robert
- Glickh, Rudolph (1864-1945)
- Glière, Reinhold Moritzovich (Рейнгольд) (1875-1956)
- Glinka, Mikhail Ivanovich (Михаил Иванович) (1804-1857)
- Glinkowski, Aleksander (1941-1991)
- Gloger, Julius (1872-1931)
- Glölzner, Anton (1850-1928)
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- Glover, H. C.
- Glover, James Irving (c1868-)
- Glover, John Hippisley L. (c1840-1889)
- Glover, John William (1815-1899)
- Glover, William (1822-)
- Glover, William Cecil (1893-)
- Glover, William E.
- Gluck, Christoph Willibald Ritter von (1714-1787)
- Glyn, Gareth (1951-)
- Glyn, Margaret Henrietta (1865-1946)
- Glyn & Parker
- Glynn, Franklin (1885-)
- Glynn, Gerald (1943-)
- Gnetzler, Johann (1710-)
- Gniot, Walerian Josef (1902-1977)
- Goddard, Francis George (1881-)
- Goddard, John Edward (1886-)
- Goddard, Mark (1960-)
- Goddard, Scott (1895-)
- Godden, Frederick Ralph (-1983)
- Godden, Philip
- Godden, William
- Godel, Didier (1945-)
- Godefroy, Claude (1881-)
- Godet, Jean
- Godfree, William (1954-)
- Godfrey, Arthur Eugene (1868-1939)
- Godfrey, Gavin (1870-)
- Godfrey, Graham (1889-)
- Godfrey, Percy (1859-)
- Godfrey, Peter David Hensman< (1922-)
- Godfrey, Thomas
- Godøy, Rolf Inge (1952-)
- Godske-Nielsen, Hakon (1890-1980)
- Godwin, Matthew (c1568-1586)
- Goeb, Dr Roger (1914-1997)
- Goede, Nico de (1915-)
- Goedicke, Alexander Feodorovich (1877-1957)
- Goehr, Peter Alexander (1932-)
- Goemanne, Noel Marie Joseph Cornelius (1926-)
- Goepfart, Christian Heinrich (1835-1890)
- Goepfart, Karl Eduard (1859-1942)
- Goethals, Lucien Gustave Georges (1931-)
- Goetz, Herman (1840-1876)
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Organist 
Organist & composer 
Composer 
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