Gower, W. (1951). Eb or BBb Bass (Tuba). Rubank.
Lua i Stíl Chicago (17ú heag.)Gower, William. Eb or BBb Bass (Tuba). Miami, Fl.: Rubank, 1951.
Lua MLA (8ú heag.)Gower, William. Eb or BBb Bass (Tuba). Rubank, 1951.
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